Unit 2 Lesson 8 Why Are Plants Important？同步练习 2023-2024学年冀教版英语八年级下册（含答案）

Lesson 8 Why Are Plants Important
【练基础】
Ⅰ.根据句意及汉语意思完成句子
1.Water is the (基本的) need of our life.
2.It's a (愉快的) conversation (交谈) for us.
3.The children often play happily in the (树荫) after class.
4.Is the (土壤) rich in your hometown
5.This idea will help (达到;执行) your dream.
Ⅱ.用方框中所给单词的正确形式填空
make, pleasant, wash, shade, catch
6.—Thank you for helping me.
—It's my .
7.The paper is from wood.
8.The boy makes the cat the ball with his mouth.
9.He eats the apples without his hands.
10.The plants give them a lot of .
【练能力】
Ⅲ.单项选择
( )11.The watch is made 　　　　Shanghai.
A.of B.from
C.in D.into
( )12.　　　　a word, she is a good student.
A.In B.At
C.On D.For
( )13.The boy usually 　　　　outside the room for an hour.
A.stand B.stands
C.is standing D.to stand
( )14.There are 　　　　interesting books in the school library.
A.so many B.such many
C.so much D.such much
( )15.The wind carried 　　　　the leaf.
A.out B.away
C.on D.about
Ⅳ.根据汉语意思完成下列句子
16.在秋千上玩是令人愉快的。
It is on the swings.
17.丰盛的午餐给我整个下午的能量。
The hearty lunch me for the whole afternoon.
18.总之,下次你应该更细心一些。
, you should be more careful next time.
19.（新情境）新技术在许多方面改变了我们的日常生活。
New technologies change our daily lives .
20.这种纸是用一种特殊的材料制成的。
This kind of paper a special kind of material.
Ⅴ.连词成句
21.air, clean, the, is, fresh, countryside, the, in, and
_____________________________________________________________________________.
22.books, made, what, are, from, the
_____________________________________________________________________________
23.other, animals, animals, eat, plants, or
_____________________________________________________________________________.
24.water, living, to, important, is, things
_____________________________________________________________________________.
25.clean, can, plants, help, air, trees, and, the
_____________________________________________________________________________
【练素养】
Ⅵ.完形填空
We know that trees are useful in 　26　everyday life. They give us many things, such as wood, oxygen, rubber, medicine and many　27　 things. They can also 　28　 us a lot about our climate (气候). The following 　29　the reasons (理由).
If you cut across a tree, you can see 　30　 it has many rings (年轮). Most trees grow one new ring every 　31　. Because of this reason, we know how old a tree is. A tree　32　 a hundred years old means that it has more than a hundred rings. 　33　 the climate is dry or very cold, the trees do not grow very much and their rings are usually 　34　. When it is wet and warm, the rings are much thicker. If the rings are suddenly very thin or suddenly very thick, this means that the climate changed suddenly. If we look at the rings on a tree with one hundred rings, we can learn 　35　 the climate for a hundred years. We can see how our climate is changing.
( )26.A.his　 B.my
C.your　 D.our
( )27.A.other B.others
C.another D.the other
( )28.A.ask B.talk
C.tell D.speak
( )29.A.am B.is
C.are D.be
( )30.A.which B.that
C.where D.when
( )31.A.day B.week
C.month D.year
( )32.A.over B.on
C.for D.at
( )33.A.Because B.When
C.Though D.But
( )34.A.big B.small
C.thin D.thick
( )35.A.from B.about
C.of D.off
Ⅶ.词语运用
阅读下面短文,在空白处填入一个适当的单词(有提示词的,填入所给单词的正确形式)。
Plants are very important. This is 36. plants can make food from air, water and sunlight. Animals and human are 37. (able) to make food from air, water and sunlight. Animals can get their food by 38. (eat) plants and other animals. Human 39. (get) food by eating plants and animals, too. So animals and human need plants to live. This is why there are so many 40. (plant) around us.
There are two kinds of plants:flowering plants and non-flowering plants. Almost all the trees around us 41. (be) flowering plants. You can know some trees 42. their flowers and fruits. Non-flowering plants do not grow flowers. You cannot see many non-flowering plants around you.
If you look 43. (careful) at the plants around us, you will find that there are many kinds of plants. Some plants are large 44. some are small. Most of 45. (they) are green. Thanks to the plants around us, we can live on the earth.
参考答案
练基础
1. basic 　2.pleasant　3.shade　4.soil 　5. fulfill
6.pleasure　7.made　8.catch　9.washing　10. shade
练能力
11~15　CABAB
16.pleasant　to　play
17.gives　energy
18.In　a　word
19.in　many　ways
20.is　made　from
21.The air is clean and fresh in the countryside
22.What are the books made from
23.Animals eat plants or other animals
24.Water is important to living things
25.Can trees and plants help clean the air
练素养
26~30　DACCB
31~35　DABCB
36.because　37.unable　38.eating　39.gets　40.plants
41.are　42.from　43.carefully　44.and　45.them
2