中小学教育资源及组卷应用平台
Unit 4 More practice 练习
基础篇
一、按括号要求完成下面各题，或翻译下面短语
1. save （现在分词） ___________ discussion （动词） ___________
2. carry （第三人称单数） ___________ fight （名词） ___________
3. example （复数） ___________ harm （形容词） ___________
4. keep（过去式） ___________ convenience （形容词） ___________
5. 大量的；数以百万计的________________________
6.（补充细节）确切地说 ________________________
7. 停止做某事 ________________________
8. 对……有用，有好处 ________________________
9. 吸收 ________________________
10. 由……制成 ________________________
二、选择填空。
1.People often use the knives _________fruit.
A. cut up B.to cut up C. cutting up D. cuts up
2. The children are having fun _________in the pool.
A. swim B. swimming C.to swim D.to swimming
3.Yesterday's concert was wonderful. ___________, I missed the beginning.
A. But B. Because C. So D. However
4.-Kitty, I'm busy cooking. Can you give me a hand
-Mum, just wait a moment. I___________ my bed now.
A. make B. will make C.am making D. making
5.Look! There is an old man ________on the ground.
A. lying B.to lie C. lied D. lies
6. -What do you think of this kind of gas
-It is harmful, so people must keep away from it.
A. good B. useful C. bad D. helpful
7. If you____ going shopping, you can go to Hong Kong.
A. likes B. will like C. like D. liked
8. Every year, ________people come to Ocean Park to watch the dolphin show.
A. millions B. five millions C. millions of D. million of
9. I need two more people to ______the heavy boxes.
A. take B. carry C. bring D. give
10.This pair of trousers is too large. Could you show me ________pair
A .more B. another C. others D. the other
三、单词拼写。
1. The air is a kind of g ________ with no colour and smell.
2.There is a big h________ on the sweater, so Ben doesn’t want to wear it.
3.Some animals are in danger. We need to s________ them.
4.We should f________ against air pollution to protect our home.
5. It’s c________ for people to use an email to keep in touch with (与…保持联系) friends.
6.The box is too heavy, so I can’t c________ it.
7.Lisa is going to d________ a hole in the garden to plant an apple tree.
8. Online shopping is both cheap and c__________.
9.Watching TV too much is h__________ to your eyes.
10.I want to d___________ with you about our plan for the summer holiday.
四、用词的适当形式填空
1.Whenever it is________(convenience) for you, remember to see your old friends.
2.They are having a________( discuss) about where they should go next.
3.Drinking too much will do________(harmful) to our health.
4.This plant has green_______(leaf) throughout the year.
5.Go slowly and________(breath) slowly.
6.Your father is a_______(fight) and patriot（爱国者）.
7.Three________(life) were lost in the accident.
8.Everyone must know the________(important) of trees.
9.The camel is a________(use)animal when you travel in the desert.
10.It is the_______(large) rainforest in the world.
11.Many____(live) things lose their homes.
12.The habit of____(drink) tea has a long history.
13.Some of the animals are in________(dangerous).
14.I know what__________(buy) in the store.
15.Listen! The girls ______________ (read) in the classroom.
五、完成句子。
1.树木需要吸收水分来存活。
Trees need to________ ________ water to live.
2. 有很多方法来放松自己。例如，你可以听音乐。
There are many ways to relax yourself.________ ________, you can listen to music.
3. 确切地说，因为有他的帮助我才能按时完成工作。
________ ________, I could finish the work on time because of his help.
4. 不要环顾四周，认真听课。
Don’t________ ________. Listen carefully in class.
5. 每年，数以百万计的鸟儿来这里过冬。
Every year, ________ ________ birds come here to spend their winter.
6. 我喜欢做运动，因为运动对我们有好处。
I like doing sports, because it __________ __________ ___________ us.
7. 树木在很多方面对我们有帮助。
Trees help us __________ __________ __________.
8. 由于视力不好，他经常迷路。
He often loses his way _________ _________ his __________ eyesight.
9. 她看上去像 50 岁，其实已经 60 多了。
She looks 50 but ________________ ______________, she's over 60.
10. 噢，看！太阳出来啦！
Oh, look! The sun's ________________ ________________!
提高篇
六、短文填空
A 短文填词
Trees are our friends. They help us in many ways. First, they clean our air because they take in h____1____ gases and produce oxygen for us to breathe. Second, they help reduce noise pollution and cool our cities and make our cities beautiful. They keep soil from being washed away. F____2____, they provide a lot of things for people. For e____3____, they provide us with food. They also provide wood for house, f___4____ and paper products.
It’s hard to i____5____ how we can live without trees.
B 语法填空
Before Christmas Day, people do many things to get ready ____1____ it. People go ____2____(shop) and clean the houses. And they decorate(装饰) ____3____(they) homes with Christmas trees. On Christmas Day, people usually have ___4___ big meal. After dinner the parents tell their ____5____(child) something about Father Christmas. The children often go to bed at midnight(午夜). They hope that Father Christmas can bring(带来) them ____6____(present) the next morning.
Look! Jane is celebrating(庆祝) Christmas ____7____ her family. She ____8____(say) “Merry Christmas！” to her bird Polly. Her parents are ____9____(cook) dinner. What is her brother Tony doing He ____10____(open) his Christmas presents.
1. ___________ 2. __________ 3. ____________ 4. ___________ 5. ___________
6. ___________ 7. ___________ 8. ___________ 9. ___________ 10. ___________
七、完形填空
There was a small and very beautiful village. It was near a mountain. There were a lot of ____1____ and animals in the mountain. People in the ____2____ always got things from the mountain. When they wanted to ____3____ a house, they cut down many trees. And they also killed the animals and ate their ____4____.
Trees were very ____5____ in their daily life. They made tables, chairs and beds with the trees. When they ____6____ food, they also used wood from the trees. Every year, they cut down lots of trees. And they only cut down trees but ____7____ planted new trees. There were fewer and fewer trees in the mountain. Some animals went away and others were in great danger.
One day, it rained heavily in the village. The ____8____ weather lasted for about a week. The soil (土壤) and the stones on the mountain ____9____ and soon covered the village. The people in the village had no place to live. They finally knew they shouldn’t cut down trees. Trees were very important to them. From then on, they plant many trees and ____10_____ them.
1. A. flowers B. trees C. branches D. roots
2. A. river B. mountain C. village D. city
3. A. build B. find C. paint D. leave
4. A. vegetables B. clothes C. fruit D. meat
5. A. wonderful B. successful C. beautiful D. useful
6. A. caught B. bought C. cooked D. washed
7. A. never B. always C. often D. usually
8. A. bad B. nice C. hot D. cold
9. A. cut down B. fell down C. put down D. sat down
10. A. fight B. produce C. protect D. dig
八、语法选择
My father told me that there used to be a forest near our town. But the farmer who _1_ the forest cut trees every year until there were no trees left.
One day, our teacher took us out and _2_ had a picnic in the field where the forest used to be. While eating and drinking, we talked about the beautiful forest we once had. One of my classmates comes from a tribe（部落）that lived in the west of our country. He told us _3_ he thought about the change. “It makes me really _4_ to learn that a forest has disappeared. My people have taught me to always think seven generations（七代人）in the future. That’s to say, when we do something to the land, we should never hurt it. We must care about nature and leave it good enough _5_ later generations. ”
When we heard what he said, we kept silent first. “Let’s _6_ some trees!” said our teacher after a moment. “It will be _7_ good start!” So that’s what we did. For the rest of the spring, we worked hard _8_ we planted thousands of trees.
That _9_ five years ago. Today, when I stand in that field which was once empty, I see trees about as __10__ as I am. It’s great to see how we’ve changed the field. It taught us the power of thinking about the future.
1. A. owned B. owns C. will own D. is owning
2. A. us B. our C. we D. ourselves
3. A. when B. why C. which D. what
4. A. sadness B. sadly C. sad D. sadder
5. A. of B. to C. through D. over
6. A. planted B. plant C. to plant D. planting
7. A. the B. / C. a D. an
8. A. and B. so C. but D. or
9. A. was B. were C. is D. has been
10. A. taller B. tallest C. tall D. the tallest
九、阅读理解
A
Trees are an important part of the Earth. They provide wood for buildings and things for making paper. They provide homes for all kinds of insects（昆虫）,birds and other animals. For example, many birds live in trees. Many kinds of fruits come from trees, such as apples, oranges, pears and peaches.
Trees also help keep our air clean and our ecosystems（生态系统）healthy. We breathe in oxygen and breathe out harmful gases. However, trees breathe in harmful gases and breathe out oxygen. And trees can help other plants grow because they can hold the soil. Trees keep the soil from being blown away, so plants can fight against strong winds.
Trees do lots for us, our environment and other plants and animals, but we don't just love trees for that. Trees can also be very beautiful and we can enjoy the beauty of them.
1.What can't trees provide
A. Wood for buildings. B. Things for making paper.
C. Bread for eating. D. Fruits for eating.
2.How do trees keep our air clean
A. They breathe in harmful gases. B. They breathe in oxygen.
C. They breathe out harmful gases. D. They help make some rain.
3.How do trees help other plants grow
A. They fight against strong winds. B. They hold the soil.
C. They clean the soil. D. They provide the soil.
4.What does the underlined word " that" refer to(指的是)
A. Trees keep the soil from being blown away.
B. Trees can be very beautiful.
C. Trees do lots for us, our environment and other plants and animals.
D. Trees are tall and big.
B
Trees are important in our daily lives. What are the parts of a tree
Seeds
Like many plants, a tree begins from a seed. A seed must have food, water and sunlight to grow.
Roots
All of the trees have roots. They go into the soil and have two important jobs to do: they make the tree stand, and they take in water and other things from the soil.
Trunks（树干）
The trunk of a tree supports（支撑）the branches of the tree and moves water and other things from the soil to the other parts of the tree.
Branches
Branches grow out from the trunk. They are the growing ends of the tree. They also move water and other things from the trunk to the leaves.
Leaves
Leaves can catch sunlight. Using sunlight, the leaves produce food for the whole tree. Leaves use the water from the soil to make sugar to feed the tree. At the same time, trees release（释放）oxygen into the air. This is very important, because all the animals and humans need oxygen to live.
1. A tree begins from a ________.
A. seed B. root C. branch D. leaf
2. Which of the following can NOT roots do for the tree
A. They make the tree stand. B. They take in water.
C. They take in some other things from the soil. D. They catch sunlight.
3. Which part of the tree can move water and other things from the trunk to the leaves
A. Roots. B. Branches. C. Seeds. D. Leaves.
4. The writer wrote the passage to ________.
A. introduce some parts of a tree B. encourages us to save trees
C. encourage us to plant trees D. introduce some interesting trees
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21世纪教育网(www.21cnjy.com)中小学教育资源及组卷应用平台
Unit 4 More practice 练习
基础篇
一、按括号要求完成下面各题，或翻译下面短语
1. save （现在分词） ___________ discussion （动词） ___________
2. carry （第三人称单数） ___________ fight （名词） ___________
3. example （复数） ___________ harm （形容词） ___________
4. keep（过去式） ___________ convenience （形容词） ___________
5. 大量的；数以百万计的________________________
6.（补充细节）确切地说 ________________________
7. 停止做某事 ________________________
8. 对……有用，有好处 ________________________
9. 吸收 ________________________
10. 由……制成 ________________________
【答案】1.saving discuss 2.carries fighter 3.examples harmful 4.kept convenient 5.millions of 6.in fact 7.stop doing sth. 8.be good for 9.take in 10.be made from/of
二、选择填空。
1.People often use the knives _________fruit.
A. cut up B.to cut up C. cutting up D. cuts up
【答案】B
【解析】句意：人们经常用刀切水果。use...to do sth. 意为“用……做某事”。由句意可知选B。
2. The children are having fun _________in the pool.
A. swim B. swimming C.to swim D.to swimming
【答案】B
【解析】句意：孩子们正在游泳池里开心地游泳。have fun doing sth. 意为“做某事开心”。故选B.
3.Yesterday's concert was wonderful. ___________, I missed the beginning.
A. But B. Because C. So D. However
【答案】D
【解析】句意：昨天的音乐会很棒。然而，我错过了开头部分。but与however都有“然而，但是”的意思。but之后一般不用逗号，而however后则用逗号与句子其他部分隔开。故选D。
4.-Kitty, I'm busy cooking. Can you give me a hand
-Mum, just wait a moment. I___________ my bed now.
A. make B. will make C.am making D. making
【答案】C
【解析】考查动词的时态。句意：-Kitty. 我正忙着做饭。你能帮我一下吗？——妈妈，稍等一下。我现在正在整理床铺。根据答题空所在句中的时间状语now，可知使用现在进行时态，再根据现在进行时态的构成：be+动词-ing形式，可知选C。
5.Look! There is an old man ________on the ground.
A. lying B.to lie C. lied D. lies
【答案】A
【解析】句意：看！有个老人躺在地上。There be+sb./sth. doing sth.意为“有某人／某物正在做某事”。由句意可知选A。
6. -What do you think of this kind of gas
-It is harmful, so people must keep away from it.
A. good B. useful C. bad D. helpful
【答案】C
【解析】harmful 有害的。与bad意思相似。
7. If you____ going shopping, you can go to Hong Kong.
A. likes B. will like C. like D. liked
【答案】C
【解析】主情从现。当主句有情态动词时，从句用一般现在时。
8. Every year, ________people come to Ocean Park to watch the dolphin show.
A. millions B. five millions C. millions of D. million of
【答案】C
【解析】millions of 数以百万计的。固定搭配B. five millions 具体数字不加S。
9. I need two more people to ______the heavy boxes.
A. take B. carry C. bring D. give
【答案】B
【解析】句意：我还需要两个人来搬那些重箱子。A. take 带走 B. carry搬运 C. bring 带来 D. give给。Carry 搬运较重的东西。
10.This pair of trousers is too large. Could you show me ________pair
A .more B. another C. others D. the other
【答案】B
【解析】another 表示“再，又”之意。后面一般接单数名词。The other。剩下来的。其余的。在一定范围里。而other 别的，泛指。
三、单词拼写。
1. The air is a kind of g ________ with no colour and smell.
【答案】gas
【解析】句意：空气是一种没有颜色和气味的气体。
2.There is a big h________ on the sweater, so Ben doesn’t want to wear it.
【答案】hole
【解析】句意：毛衣上有个大洞，本不想穿。
3.Some animals are in danger. We need to s________ them.
【答案】save
【解析】句意：有些动物处于危险之中。我们需要拯救他们。
4.We should f________ against air pollution to protect our home.
【答案】fight
【解析】句意：我们应该抵制空气污染来保护我们的家园。
5. It’s c________ for people to use an email to keep in touch with (与…保持联系) friends.
【答案】common
【解析】句意：人们经常用电子邮件与朋友保持联系是普遍的。
6.The box is too heavy, so I can’t c________ it.
【答案】carry
【解析】句意：这个箱子太重了，我搬不动。
7.Lisa is going to d________ a hole in the garden to plant an apple tree.
【答案】dig
【解析】句意：丽莎打算在花园里挖个洞种一棵苹果树。
8. Online shopping is both cheap and c__________.
【答案】convenient
【解析】句意：网上购物既便宜又方便。
9.Watching TV too much is h__________ to your eyes.
【答案】harmful
【解析】句意：看太多电视对你的眼睛有害。
10.I want to d___________ with you about our plan for the summer holiday.
【答案】discuss
【解析】句意：我想和你讨论我们暑假的计划。
四、用词的适当形式填空
1.Whenever it is________(convenience) for you, remember to see your old friends.
2.They are having a________( discuss) about where they should go next.
3.Drinking too much will do________(harmful) to our health.
4.This plant has green_______(leaf) throughout the year.
5.Go slowly and________(breath) slowly.
6.Your father is a_______(fight) and patriot（爱国者）.
7.Three________(life) were lost in the accident.
8.Everyone must know the________(important) of trees.
9.The camel is a________(use)animal when you travel in the desert.
10.It is the_______(large) rainforest in the world.
11.Many____(live) things lose their homes.
12.The habit of____(drink) tea has a long history.
13.Some of the animals are in________(dangerous).
14.I know what__________(buy) in the store.
15.Listen! The girls ______________ (read) in the classroom.
【答案】1.convenient 2.discussion 3.harm 4.leaves 5.breathe 6.fighter 7.lives 8.importance 9.useful 10.largest 11.living 12.drinking 13.danger 14.to buy 15.is reading
五、完成句子。
1.树木需要吸收水分来存活。
Trees need to________ ________ water to live.
2. 有很多方法来放松自己。例如，你可以听音乐。
There are many ways to relax yourself.________ ________, you can listen to music.
3. 确切地说，因为有他的帮助我才能按时完成工作。
________ ________, I could finish the work on time because of his help.
4. 不要环顾四周，认真听课。
Don’t________ ________. Listen carefully in class.
5. 每年，数以百万计的鸟儿来这里过冬。
Every year, ________ ________ birds come here to spend their winter.
6. 我喜欢做运动，因为运动对我们有好处。
I like doing sports, because it __________ __________ ___________ us.
7. 树木在很多方面对我们有帮助。
Trees help us __________ __________ __________.
8. 由于视力不好，他经常迷路。
He often loses his way _________ _________ his __________ eyesight.
9. 她看上去像 50 岁，其实已经 60 多了。
She looks 50 but ________________ ______________, she's over 60.
10. 噢，看！太阳出来啦！
Oh, look! The sun's ________________ ________________!
【答案】1.take in 2.for example 3.Infact 4.look around 5.millions of 6.is good for
7.in many ways 8.because of bad 9.in fact ing out
提高篇
六、短文填空
A 短文填词
Trees are our friends. They help us in many ways. First, they clean our air because they take in h____1____ gases and produce oxygen for us to breathe. Second, they help reduce noise pollution and cool our cities and make our cities beautiful. They keep soil from being washed away. F____2____, they provide a lot of things for people. For e____3____, they provide us with food. They also provide wood for house, f___4____ and paper products.
It’s hard to i____5____ how we can live without trees.
【答案】1. harmful 2. Finally 3. example 4. furniture 5.imagine
B 语法填空
Before Christmas Day, people do many things to get ready ____1____ it. People go ____2____(shop) and clean the houses. And they decorate(装饰) ____3____(they) homes with Christmas trees. On Christmas Day, people usually have ___4___ big meal. After dinner the parents tell their ____5____(child) something about Father Christmas. The children often go to bed at midnight(午夜). They hope that Father Christmas can bring(带来) them ____6____(present) the next morning.
Look! Jane is celebrating(庆祝) Christmas ____7____ her family. She ____8____(say) “Merry Christmas！” to her bird Polly. Her parents are ____9____(cook) dinner. What is her brother Tony doing He ____10____(open) his Christmas presents.
1. ___________ 2. __________ 3. ____________ 4. ___________ 5. ___________
6. ___________ 7. ___________ 8. ___________ 9. ___________ 10. ___________
【答案】1. for 2. shopping 3. their 4. a 5. children
6. presents 7. with 8. says 9. cooking 10. is opening
七、完形填空
There was a small and very beautiful village. It was near a mountain. There were a lot of ____1____ and animals in the mountain. People in the ____2____ always got things from the mountain. When they wanted to ____3____ a house, they cut down many trees. And they also killed the animals and ate their ____4____.
Trees were very ____5____ in their daily life. They made tables, chairs and beds with the trees. When they ____6____ food, they also used wood from the trees. Every year, they cut down lots of trees. And they only cut down trees but ____7____ planted new trees. There were fewer and fewer trees in the mountain. Some animals went away and others were in great danger.
One day, it rained heavily in the village. The ____8____ weather lasted for about a week. The soil (土壤) and the stones on the mountain ____9____ and soon covered the village. The people in the village had no place to live. They finally knew they shouldn’t cut down trees. Trees were very important to them. From then on, they plant many trees and ____10_____ them.
1. A. flowers B. trees C. branches D. roots
2. A. river B. mountain C. village D. city
3. A. build B. find C. paint D. leave
4. A. vegetables B. clothes C. fruit D. meat
5. A. wonderful B. successful C. beautiful D. useful
6. A. caught B. bought C. cooked D. washed
7. A. never B. always C. often D. usually
8. A. bad B. nice C. hot D. cold
9. A. cut down B. fell down C. put down D. sat down
10. A. fight B. produce C. protect D. dig
【答案】1. B 2. C 3. A 4. D 5. D 6. C 7. A 8. A 9. B 10. C
【解析】本文讲一个小村庄的人不断破坏砍伐山里的树木而不种植，还杀死动物吃它们的肉，有一次连续下了一周的大雨，山上的土壤和石头滑下来掩埋了村庄，人们才意识到不该砍伐树木，他们开始种树并保护它们。
1.句意：山上有很多树和动物。
flowers花；trees树；branches树枝；roots根。根据“they cut down many trees”可知山上有很多树和动物。故选B。
2.句意：村里的人总是从山上得到东西。
river河流；mountain山；village村庄；city城市。根据“There was a small and very beautiful village.”可知此处指村里的人。故选C。
3.句意：当他们想盖房子的时候，他们砍了很多树。
build建造；find找到；paint画；leave离开。根据“they cut down many trees”可知砍下许多树是为了建造房子。故选A。
4.句意：他们也杀了那些动物，吃了它们的肉。
vegetables蔬菜；clothes衣服；fruit水果；meat肉。根据“killed the animals”可知杀死动物，吃动物的肉。故选D。
5.句意：树木在他们的日常生活中非常有用。
wonderful精彩的；successful成功的；beautiful美丽的；useful有用的。根据“They made tables, chairs and beds with the trees.”可知树能制作桌子、椅子和床，是有用的。故选D。
6.句意：当他们做饭时，他们也用树上的木头。
caught抓住；bought买；cooked烹饪；washed洗。根据“food”可知此处指做饭，用cooked。故选C。
7.句意：他们只砍树，从不种新树。
never从不；always总是；often经常；usually通常。根据“There were fewer and fewer trees in the mountain.”可知树越来越少，应是从不种新树。故选A。
8.句意：恶劣的天气持续了大约一个星期。
bad坏的；nice好的；hot热的；cold冷的。根据“One day, it rained heavily in the village.”可知此处指连续一周下大雨，天气恶劣，用bad。故选A。
9.句意：山上的泥土和石头落了下来，很快就覆盖了村庄。
cut down砍倒；fell down落下；put down放下；sat down坐下。根据“soon covered the village”可知山上的泥土和石头落下来了。故选B。
10.句意：从那时起，他们种了很多树并保护它们。
fight打架；produce生产；protect保护；dig挖。根据“They finally knew they shouldn’t cut down trees. Trees were very important for them.”可知意识到了树的重要性，会保护树。故选C。
八、语法选择
My father told me that there used to be a forest near our town. But the farmer who _1_ the forest cut trees every year until there were no trees left.
One day, our teacher took us out and _2_ had a picnic in the field where the forest used to be. While eating and drinking, we talked about the beautiful forest we once had. One of my classmates comes from a tribe（部落）that lived in the west of our country. He told us _3_ he thought about the change. “It makes me really _4_ to learn that a forest has disappeared. My people have taught me to always think seven generations（七代人）in the future. That’s to say, when we do something to the land, we should never hurt it. We must care about nature and leave it good enough _5_ later generations. ”
When we heard what he said, we kept silent first. “Let’s _6_ some trees!” said our teacher after a moment. “It will be _7_ good start!” So that’s what we did. For the rest of the spring, we worked hard _8_ we planted thousands of trees.
That _9_ five years ago. Today, when I stand in that field which was once empty, I see trees about as __10__ as I am. It’s great to see how we’ve changed the field. It taught us the power of thinking about the future.
1. A. owned B. owns C. will own D. is owning
2. A. us B. our C. we D. ourselves
3. A. when B. why C. which D. what
4. A. sadness B. sadly C. sad D. sadder
5. A. of B. to C. through D. over
6. A. planted B. plant C. to plant D. planting
7. A. the B. / C. a D. an
8. A. and B. so C. but D. or
9. A. was B. were C. is D. has been
10. A. taller B. tallest C. tall D. the tallest
【答案】1. A 2. C 3. D 4. C 5. B 6. B 7. C 8. A 9. A 10. C
【解析】本文是一篇记叙文。作者居住的城镇附近原本有一片森林，但是被砍伐了。于是在老师的呼吁下，同学们一起在那里播种、栽树、几年后，森林又恢复了原貌。
1. 句意：但是拥有这片森林的农民每年都要砍树，直到把树都砍光为止。
owned动词过去式；owns动词三单；will own一般将来时；is owning现在进行时。根据“were”可知，此句是一般过去时，动词用过去式，故选A。
2. 句意：有一天，我们的老师带我们出去，我们在原来是森林的地方野餐。
us我们，宾格；our我们的，形容词性物主代词；we我们，人称代词主格；ourselves我们自己。此空在句中作主语，应填人称代词主格，故选C。
3. 句意：他告诉我们他对这个变化的看法。
when何时；why为什么；which哪一个；what什么。此空作动词thought的宾语，应填what引导宾语从句，故选D。
4. 句意：得知一片森林消失了，我真的很难过。
sadness难过，名词；sadly难过地，副词；sad难过的，形容词原级；sadder更难过的，形容词比较级。make sb+形容词，表示“使某人……”，无比较之意，应填原级，故选C。
5. 句意：我们必须关心自然，把它好好地留给后代。
of……的；to到；through通过；over在……之上。be+形容词+enough to do sth，表示“足够……做某事”，故此空应填to。故选B。
6. 句意：让我们种一些树吧！
planted动词过去式；plant动词原形；to plant动词不定式；planting动名词或现在分词。let’s do sth“让我们做某事”，此空应填动词原形，故选B。
7. 句意：它将会是一个好的开始。
the这个/那个；/不填；a一个，用于以辅音音素开头；an一个，用于以元音音素开头。此处表示“一个好的开始”，表泛指，且good是以辅音音素开头的，故选C。
8. 句意：在这个春天剩下的时间里，我们努力工作，种了成千上万棵树。
and和；so因此；but但是；or或者。空格前后是并列关系，用and连接，故选A。
9. 句意：那是五年前的事了。
was一般过去时，主语是单数形式；were一般过去时，主语是复数形式或第二人称；is一般现在时，主语是单数形式；has been现在完成时。根据that可知，此空应填单数形式，根据five years ago可知，此句是一般过去时，故选A。
10. 句意：我看到的树大约和我一样高。
taller更高的，比较级；tallest最高的，最高级；tall高的，原级；the tallest最高的，最高级。as…as“如……一样”，中间接原级，故选C。
九、阅读理解
A
Trees are an important part of the Earth. They provide wood for buildings and things for making paper. They provide homes for all kinds of insects（昆虫）,birds and other animals. For example, many birds live in trees. Many kinds of fruits come from trees, such as apples, oranges, pears and peaches.
Trees also help keep our air clean and our ecosystems（生态系统）healthy. We breathe in oxygen and breathe out harmful gases. However, trees breathe in harmful gases and breathe out oxygen. And trees can help other plants grow because they can hold the soil. Trees keep the soil from being blown away, so plants can fight against strong winds.
Trees do lots for us, our environment and other plants and animals, but we don't just love trees for that. Trees can also be very beautiful and we can enjoy the beauty of them.
1.What can't trees provide
A. Wood for buildings. B. Things for making paper.
C. Bread for eating. D. Fruits for eating.
2.How do trees keep our air clean
A. They breathe in harmful gases. B. They breathe in oxygen.
C. They breathe out harmful gases. D. They help make some rain.
3.How do trees help other plants grow
A. They fight against strong winds. B. They hold the soil.
C. They clean the soil. D. They provide the soil.
4.What does the underlined word " that" refer to(指的是)
A. Trees keep the soil from being blown away.
B. Trees can be very beautiful.
C. Trees do lots for us, our environment and other plants and animals.
D. Trees are tall and big.
【答案】CABC
【解析】
1. C细节理解题。根据第一段可知，树能给我们提供建筑木材、造纸的东西及吃的水果。故答案选C。
2. A细节理解题。根据第二段中“However，trees breathe in harmful gases and breathe out oxygen. ”可知，树吸入有害气体，放出氧气。故选A。
3. B细节理解题。根据第二段中“And trees can help other plants grow because they can hold the soil.”可知，树木可以帮助其他植物生长，因为它们可以稳定土壤。故选B
4. C推理判断题。根据上文"Trees do lots for us，our environment and other plants and animals”可推知，that指代的是“树木为我们、我们的环境和其他植物和动物做了很多”这件事。
B
Trees are important in our daily lives. What are the parts of a tree
Seeds
Like many plants, a tree begins from a seed. A seed must have food, water and sunlight to grow.
Roots
All of the trees have roots. They go into the soil and have two important jobs to do: they make the tree stand, and they take in water and other things from the soil.
Trunks（树干）
The trunk of a tree supports（支撑）the branches of the tree and moves water and other things from the soil to the other parts of the tree.
Branches
Branches grow out from the trunk. They are the growing ends of the tree. They also move water and other things from the trunk to the leaves.
Leaves
Leaves can catch sunlight. Using sunlight, the leaves produce food for the whole tree. Leaves use the water from the soil to make sugar to feed the tree. At the same time, trees release（释放）oxygen into the air. This is very important, because all the animals and humans need oxygen to live.
1. A tree begins from a ________.
A. seed B. root C. branch D. leaf
2. Which of the following can NOT roots do for the tree
A. They make the tree stand. B. They take in water.
C. They take in some other things from the soil. D. They catch sunlight.
3. Which part of the tree can move water and other things from the trunk to the leaves
A. Roots. B. Branches. C. Seeds. D. Leaves.
4. The writer wrote the passage to ________.
A. introduce some parts of a tree B. encourages us to save trees
C. encourage us to plant trees D. introduce some interesting trees
【答案】1. A 2. D 3. B 4. A
【解析】本文主要介绍了树的构成以及其重要性。
1.细节理解题。根据“a tree begins from a seed”可知，一棵树是从一粒种子开始的，故选A。
2.推理判断题。根据“They go into the soil and have two important jobs to do: they make the tree stand, and they take in water and other things from the soil”可知，根进入土壤，有两项重要的工作要做：让树直立，从土壤中吸收水分和其他东西，推知根不能获取阳光，故选D。
3.细节理解题。根据“They also move water and other things from the trunk to the leaves.”可知，树枝还把水和其他东西从树干运到树叶上，故选B。
4.主旨大意题。根据文章第一段中的“What are the parts of a tree ”可知，文章主要介绍的是一棵树的组成部分，故选A。
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