中小学教育资源及组卷应用平台
Unit9 Sea water and rain water 第1课时（教师版）（课后练）
学校:___________姓名：___________班级：___________考号：___________
一、单项选择
1．The boy often plays ________ guitar after ________ school.21cnjy.com
A．the，/ B．a， a C．the，the D．/，the
【答案】A
【解析】
【详解】
句意：这男孩放学后经常弹吉他。
考查冠词。a不定冠词，修 ( http: / / www.21cnjy.com )饰辅音音素开头的单词；the定冠词，表示特指；/零冠词；第一空指play the guitar“弹吉他”，应用定冠词the；第二空是after school“放学后”，故选A。21*cnjy*com
2．— ________ will you come back
—In a week.
A．How soon B．How often C．How long D．When
【答案】A
【解析】
【详解】
句意：——你多久回来？——一周后。
考查特殊疑问句。How soon ( http: / / www.21cnjy.com )多久以后；How often多久一次；How long多长；When何时；根据回答“In a week.”可知，是对将来的一段时间提问，此处应用how soon提问，故选A。
3．“No ________!”, says the sign.
A．swim B．swimming C．swims D．to swim
【答案】B
【解析】
【详解】
句意：标志牌上显示：“禁止游泳”！
考查非谓语动词。No+doing，表示“禁止做某事”。故选B。
4．__________ the windows before you leave the classroom.
A．To close B．Closing C．Closed D．Close
【答案】D
【解析】
【详解】
句意：在你离开教室之前关上窗户。
考查祈使句。close关闭， ( http: / / www.21cnjy.com )是一个动词。To close是动词不定式；Closing现在分词或动名词形式；Closed是过去式或过去分词形式。根据句子结构可知，这是一个祈使句，开头应用动词原形。故选D。21·世纪*教育网
5．—Tony, __________ your teeth quickly.
—OK, Mom.
A．brushes B．brush C．brushing D．to brush
【答案】B
【解析】
【详解】
句意：——Tom，快点刷牙。——好的，妈妈。
考查祈使句。句中缺少主语，用动词原形brush开头构成祈使句的肯定形式。故选B。
6．Tom, _______ the window, please. It is too cold outside（外面）.
A．open B．doesn’t open C．close D．don’t close
【答案】C
【解析】
【详解】
句意：汤姆，请把窗户关上。外面太冷了。
考查祈使句的肯定形式。根据后文“It is too cold outside”，可知是要关上窗，此处是祈使句，应该用动词原形，故选C。www.21-cn-jy.com
7．—Peter, I have a new basketball. Let’s ________ basketball.
—It’s boring. What about ________ ping-pong
A．play; play B．playing; playing C．playing; play D．play; playing
【答案】D
【解析】
【详解】
句意：——Peter，我有一个新篮球。我们去打篮球吧。——那很无聊。打乒乓球怎么样？
考查非谓语动词。let是使役动词，后接省 ( http: / / www.21cnjy.com )略to的动词不定式作宾补，排除B和C选项。what about doing sth“做某事怎么样”，第二空填动名词，故选D。
8．We will go for a walk if it ________ in tomorrow morning.www-2-1-cnjy-com
A．is raining B．rains
C．doesn’t rain D．won’t rain
【答案】C
【解析】
【分析】
【详解】
句意：如果明天早上不下雨，我们就去散步。
考查if引导的条件状语从句。此处是if引导的条件状语从句，遵循“主将从现”原则，排除AD；根据语境可知，应该是不下雨去散步，故选C。21*cnjy*com
9．I don’t know i ( http: / / www.21cnjy.com )f Nancy ________ to the mountains tomorrow. If she doesn’t, ________.
A．goes; neither I ( http: / / www.21cnjy.com ) will B．will go; neither will I C．goes; neither I do D．will go; neither do I
【答案】B
【解析】
【详解】
句意：我不知道南希明天是否会去爬山。如果她不去，我也不去。
考查动词时态和倒装句。第一 ( http: / / www.21cnjy.com )空所在句是if引导的宾语从句，根据“主现从不限”原则可知，从句时态不受限制，由“tomorrow”可知，从句用一般将来时，排除A、C；第二空所在句是if引导的条件状语从句，遵循“主将从现”原则，且第二空表示上面的情况同样适用于另一主语，表“……也不”，因此用neither will I，意为“我也不去”。故选B。
10．I don’t know if ( http: / / www.21cnjy.com ) he __________ tomorrow. If he __________, I will call you.
A．will come, comes B．comes, will come
C．comes, comes D．will come, will come
【答案】A
【解析】
【分析】
【详解】
句意：我不知道他明天是否来。如果他来，我会打电话给你。
考查时态。第一空位于宾语从句中，根据 ( http: / / www.21cnjy.com )时间状语“tomorrow”可知，用一般将来时；在时间或条件状语从句中，可以用一般现在时代替将来时。第二空考查主句是一般将来时，if条件句应用一般现在时态表将来。故选A。【版权所有：21教育】
二、完形填空
Frank and Davi ( http: / / www.21cnjy.com )d are middle school students from America. And they have a good friend from China. ___11___ name is Li Wei. These boys love books, model planes and they love _____12_____, too. Frank thinks baseball is relaxing. He loves it. ___13___ Li Wei thinks it’s difficult. He loves basketball and he can play it well. David loves soccer. He wants to be a soccer player. He thinks it’s easy for him. But the ___14___ don’t like ping-pong! They think ping-pong balls are small. It’s difficult for them to ___15___ the ball.
11．A．Her B．His C．My
12．A．school B．pictures C．sports
13．A．But B．So C．And
14．A．two B．three C．four
15．A．watch B．find C．get
【答案】11．B
12．C
13．A
14．B
15．C
【解析】
【导语】
本文介绍了弗兰克，大卫和他们的朋友李伟的爱好。
11．
句意：他的名字是李伟。
Her她的；His他的；My我的。根据后文的“These boys”可知，他们的朋友是男孩，故选B。
12．
句意：这些男孩喜欢书，飞机模型，他们也喜欢运动。
school学校；pict ( http: / / www.21cnjy.com )ures图片；sports运动。根据后文的“Frank thinks baseball is relaxing. He loves it.”可知，此处介绍他们喜欢运动，故选C。21·cn·jy·com
13．
句意：但是李伟认为这是非常难的。
But但是；So所以；And而 ( http: / / www.21cnjy.com )且。结合句意，前一句表示他非常喜欢篮球，后一句表示李伟认为篮球是非常难的，前后表示转折关系，因此用连词but，故选A。
14．
句意：但是这三个人不喜欢乒乓球。
two二；three三；four四 ( http: / / www.21cnjy.com )。根据前文的“Frank and David are middle school students from America. And they have a good fend from China…name is Li Wei.”可知，弗兰克，大卫和李伟，一共是三个人，故选B。【出处：21教育名师】
15．
句意：接住球对他们来说是非常难的。
watch观看；find ( http: / / www.21cnjy.com )找到；get得到。根据前文的“They think ping-pong balls are small.”可知，他们认为乒乓球非常小，因此很难接住球，故选C。【来源：21cnj*y.co*m】
三、阅读单选
One warm afternoo ( http: / / www.21cnjy.com )n in September, Ms. Stimson surprises(使……吃惊)her fourth-grade class by saying. “We’re going to hold class e with me.”
All the students ( http: / / www.21cnjy.com )jump out of their chairs and stand in a line. For them, it is great fun to go outside on sunny days. Carl runs quickly to be first in line. Sandra, the new girl, stands by herself at the end. Everyone else joins the line in groups of friends. As they make their way from the classroom, they talk quietly about what might be waiting for them outside.
Ms. Stimson take ( http: / / www.21cnjy.com )s the class outside. Melinda looks worried(担忧的)as she walks across the grass because she is wearing her new shoes. Darrell tells jokes to anyone who will listen. “Shh! Stop talking!” says Carl. Sandra walks slowly at the back of the line keeping her eyes down.
Ms.Stimson st ( http: / / www.21cnjy.com )ops. “Here we are.” she says. All the students are curious (好奇的)and look around. All they see is a patch of dirt(一块烂泥地). “Meet your garden!” says Ms.Stimson.
The students are very ( http: / / www.21cnjy.com )surprised. There are no vegetables, no flowers, not even any plants. All they see is dry, pale dirt with some weeds(野草).
Melinda puts up ( http: / / www.21cnjy.com )her hand and asks the question on all their minds. “But where is the garden ”
“We have to grow it,” says Ms. Stimson with a smile.
The garden is go ( http: / / www.21cnjy.com )ing to be a special class project. After they go back to the classroom, Ms. Stimson divides(分开) the class into four groups to study what to plant and how to look after the garden.
16．Why does Mrs.Stimson take her students outside
A．To give them a class.
B．To let them do some exercise.
C．To show them how to plant vegetables.
D．To teach them how to stand in a line.
17．What do we know about the children while they are going outside
A．Darrel runs quickly to be first in line.
B．Sandra talks with other children behind her.
C．Carl likes listening to Darel’s jokes.
D．Melinda is worried about her new shoes on the way.
18．What is the garden in the passage like
A．There are some trees in it.
B．There are some flowers in it
C．There are some vegetables in it
D．There are some weeds in it.
19．What do t ( http: / / www.21cnjy.com )he students need to do first when they come back from the garden
A．Write a diary by themselves.
B．Grow flowers and vegetables.
C．Study what to do next in groups.
D．Find another place as their garden.
【答案】16．A
17．D
18．D
19．C
【解析】
【导语】
本文讲述了Stinson给学生上了一节特殊的户外课。
16．
细节理解题。根据“We’re going ( http: / / www.21cnjy.com ) to hold class outside.”可知，可知Mrs.Stimson带她的学生到外面去上课。故选A。【来源：21·世纪·教育·网】
17．
推理判断题。根据“Ms. St ( http: / / www.21cnjy.com )imson takes the class outside. Melinda looks worried(担忧的)as she walks across the grass because she is wearing her new shoes.”可知，Melinda在路上担心她的新鞋。故选D。
18．
细节理解题。根据“There are no ( http: / / www.21cnjy.com ) vegetables，no flowers，not even any plants. All they see is dry，pale dirt with some weeds（野草）”可知，文章里的花园里面有一些杂草。故选D。
19．
细节理解题。根据“After t ( http: / / www.21cnjy.com )hey go back to the classroom，Ms. Stimson divides (分开) the class into four groups to study what to plant and how to look after the garden.”可知，学生们从花园回来后首先分组学习下一步要做什么。故选C。
四、用所给单词的正确形式填空
20．Please _______ (keep) your classroom clean.
【答案】keep
【解析】
【详解】
句意：请保持你的教室干净。此句是祈使句的肯定形式，please后接动词原形。故填keep。
21．Susan, ________ (not eat) on your bed.
【答案】don’t eat
【解析】
【详解】
句意：Susan，不要在床上吃东 ( http: / / www.21cnjy.com )西。根据否定祈使句的构成：don’t+动词原形“不要……”可知，应该用don’t eat，表示“不要在床上吃东西”，故填don’t eat。
22．It is the most ________ (wonder ) film I have ever seen.2-1-c-n-j-y
【答案】wonderful
【解析】
【分析】
【详解】
句意：这是我看过的最精彩的电影。 ( http: / / www.21cnjy.com )根据“...film I have ever seen.”可知，此处应用形容词的最高级，“wonder”的形容词是wonderful，空前有“most”，此处直接用原形即可，故填wonderful。21世纪教育网版权所有
23．—________ (thank) for your help. 21教育名师原创作品
—That’s OK.
【答案】Thanks
【解析】
【详解】
句意：——感谢你的帮助。——不客气。此句是祈使句的肯定形式，以动词原形开头，thanks for“因某事感谢”，故填Thanks。
24．一Tom, ________ (not be) late for school again.
一OK. I will not.
【答案】don’t be
【解析】
【详解】
句意：——汤姆，上学不要再 ( http: / / www.21cnjy.com )迟到了。 ——好的，我不会了。根据“Tom...late for school again.”可知，此处为祈使句的否定形式，用“don’t+动词原形”。故填don’t be。
25．Peter, _________ (look) at your sister’s desk. There ________ (be) some stationery, a few candies and some money on it.2·1·c·n·j·y
【答案】 look is
【解析】
【分析】
【详解】
句意：彼得，看看你姐姐的桌子。上面有 ( http: / / www.21cnjy.com )一些文具，一些糖果和一些钱。第一句是祈使句，动词应用原形，第二空是there be结构，be动词与“some stationery”一致，名词是不可数名词，be动词应用is，故填look；is。21教育网
26．Don’t __________ (play) soccer on the street (大街).
【答案】play
【解析】
【详解】
句意：不要在街上踢足球。此句是否定祈使句，don’t后跟动词原形。故填play。
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Unit9 Sea water and rain water 第1课时（学生版）（课后练）
学校:___________姓名：___________班级：___________考号：___________
一、单项选择
1．The boy often plays ________ guitar after ________ school.【来源：21cnj*y.co*m】
A．the，/ B．a， a C．the，the D．/，the
2．— ________ will you come back
—In a week.
A．How soon B．How often C．How long D．When
3．“No ________!”, says the sign.
A．swim B．swimming C．swims D．to swim
4．__________ the windows before you leave the classroom.
A．To close B．Closing C．Closed D．Close
5．—Tony, __________ your teeth quickly.
—OK, Mom.
A．brushes B．brush C．brushing D．to brush
6．Tom, _______ the window, please. It is too cold outside（外面）.
A．open B．doesn’t open C．close D．don’t close
7．—Peter, I have a new basketball. Let’s ________ basketball.21·cn·jy·com
—It’s boring. What about ________ ping-pong
A．play; play B．playing; playing C．playing; play D．play; playing
8．We will go for a walk if it ________ in tomorrow morning.21教育名师原创作品
A．is raining B．rains
C．doesn’t rain D．won’t rain
9．I don’t know ( http: / / www.21cnjy.com )if Nancy ________ to the mountains tomorrow. If she doesn’t, ________.
A．goes; neither I wi ( http: / / www.21cnjy.com )ll B．will go; neither will I C．goes; neither I do D．will go; neither do I21·世纪*教育网
10．I don’t k ( http: / / www.21cnjy.com )now if he __________ tomorrow. If he __________, I will call you.
A．will come, comes B．comes, will come
C．comes, comes D．will come, will come
二、完形填空
Frank and David are m ( http: / / www.21cnjy.com )iddle school students from America. And they have a good friend from China. ___11___ name is Li Wei. These boys love books, model planes and they love _____12_____, too. Frank thinks baseball is relaxing. He loves it. ___13___ Li Wei thinks it’s difficult. He loves basketball and he can play it well. David loves soccer. He wants to be a soccer player. He thinks it’s easy for him. But the ___14___ don’t like ping-pong! They think ping-pong balls are small. It’s difficult for them to ___15___ the ball.
11．A．Her B．His C．My
12．A．school B．pictures C．sports
13．A．But B．So C．And
14．A．two B．three C．four
15．A．watch B．find C．get
三、阅读单选
One warm afternoon in ( http: / / www.21cnjy.com ) September, Ms. Stimson surprises(使……吃惊)her fourth-grade class by saying. “We’re going to hold class e with me.”21教育网
All the students ju ( http: / / www.21cnjy.com )mp out of their chairs and stand in a line. For them, it is great fun to go outside on sunny days. Carl runs quickly to be first in line. Sandra, the new girl, stands by herself at the end. Everyone else joins the line in groups of friends. As they make their way from the classroom, they talk quietly about what might be waiting for them outside.
Ms. Stimson takes th ( http: / / www.21cnjy.com )e class outside. Melinda looks worried(担忧的)as she walks across the grass because she is wearing her new shoes. Darrell tells jokes to anyone who will listen. “Shh! Stop talking!” says Carl. Sandra walks slowly at the back of the line keeping her eyes down.www.21-cn-jy.com
Ms.Stimson stops. “H ( http: / / www.21cnjy.com )ere we are.” she says. All the students are curious (好奇的)and look around. All they see is a patch of dirt(一块烂泥地). “Meet your garden!” says Ms.Stimson.2·1·c·n·j·y
The students are v ( http: / / www.21cnjy.com )ery surprised. There are no vegetables, no flowers, not even any plants. All they see is dry, pale dirt with some weeds(野草).【来源：21·世纪·教育·网】
Melinda puts u ( http: / / www.21cnjy.com )p her hand and asks the question on all their minds. “But where is the garden ”21cnjy.com
“We have to grow it,” says Ms. Stimson with a smile.www-2-1-cnjy-com
The garden is going ( http: / / www.21cnjy.com )to be a special class project. After they go back to the classroom, Ms. Stimson divides(分开) the class into four groups to study what to plant and how to look after the garden.2-1-c-n-j-y
16．Why does Mrs.Stimson take her students outside 21*cnjy*com
A．To give them a class.
B．To let them do some exercise.
C．To show them how to plant vegetables.
D．To teach them how to stand in a line.
17．What do we know about the children while they are going outside
A．Darrel runs quickly to be first in line.
B．Sandra talks with other children behind her.
C．Carl likes listening to Darel’s jokes.
D．Melinda is worried about her new shoes on the way.21世纪教育网版权所有
18．What is the garden in the passage like
A．There are some trees in it.
B．There are some flowers in it
C．There are some vegetables in it
D．There are some weeds in it.
19．What do the st ( http: / / www.21cnjy.com )udents need to do first when they come back from the garden
A．Write a diary by themselves.
B．Grow flowers and vegetables.
C．Study what to do next in groups.
D．Find another place as their garden.
四、用所给单词的正确形式填空
20．Please _______ (keep) your classroom clean.
21．Susan, ________ (not eat) on your bed.
22．It is the most ________ (wonder ) film I have ever seen.【出处：21教育名师】
23．—________ (thank) for your help. 【版权所有：21教育】
—That’s OK.
24．一Tom, ________ (not be) late for school again. 21*cnjy*com
一OK. I will not.
25．Peter, _________ (look) at your sister’s desk. There ________ (be) some stationery, a few candies and some money on it.
26．Don’t __________ (play) soccer on the street (大街).
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