初中英语Unit 5 Water优秀图片复习ppt课件

                           Unit 5  Water

一．用括号内所给单词的适当形式填空

1. Trees can produce various ______ (chemical)to protect themselves.
2. The joke made us ______(laugh) and we were happy.
3. You should remember________(lock) the door after school.
4. Water is important and ______(value), so we shouldn’t waste it.
5. We should fight against air _______(pollute).
6. There _____(be) a lot of people in the shop.

7.Three fifths of the students _____(be) boys.

8.For your ____(safe), you’d better not ride your bike to the mountain alone.

9.We students should learn how _____(save) water. 

10.It is time for us _____(find) clean and fresh groundwater.

11.Look! The boy ______(waste) water. We should stop him.

12.This boy is old enough _______(go) to school.

二．选择题

1.   It is wise ____Linda to make up her mind ______ to play an instrument.

1. for; learning     B. for; to learn

C.of; learning      D.of; to learn

2. ____ students like going on holiday, and about ____ of them are boy students.

A. The number of ; two fifth  B.A number of; two fifth

C.A number of;  two fifths     D.The number of; two five

3.Can you fix my watch? It doesn’t work.

A. Check      B. change     C. repair     D. carry

4.Please do ___ your teacher tells you.

A. Like     B. as      C. for     D. with

5.When she got into the room, she heard a sweet____,”How are you, little girl”

A. Sound     B, noise      C.voice     D.talk

6.--You can use _____ the garden for flowers, and the rest of it for vegetables.

---Yes, you are right. I can finish doing these things at ____ the day.

A.all of; the end of      B. all of ; the beginning of

C.Part of; the end of      D. part of; the beginning of

7.She wants to be a teacher when she ____.

A. Grow up    B. grows up

C. Is growing up    D. grew up

8.Although my teacher was very tired, he continued ____ in his room.

A. Working     B. worked      C. works    D. work

9.____ is quite easy for people to find any place in the world with the help of online maps.

A. That      B, It     C. One

10.It often ____a ______ of water.

A. drop; drop     B.drops; drops     C.drops;drop      D.drop; drops

三．完形填空

   Water is the “life blood” of our earth. Like air and sunshine, it is very important__1__ living things. Without water, there can be _2___ life on the earth. All animals and plants need water. Man also needs water. We need water to drink, to cook and to clean__3__.It even_4__ the greater part of our bodies. Water is almost everywhere. Even in the __5__ places of the world, there is water in the air. However, we can drink not sea water but fresh water. To make things even_6___, people often__7__ to keep the water clean. They throw rubbish into river, lakes or seas. So not all the fresh water is ___8__ for us to drink.

   We’re short _9___ water. Something must be __10__ to stop this.

1. A. With     B.to     C. of     D.towards
2. A.none     B.not     C.much     D. no
3. A. Himself   B, our    C. us     D.ourselves
4. A . is made of     B,make    C. makes up   D. is made in
5. A. Driest   B.wetter    C. drier     D. beautiful
6. A.best    B.worse    C. worst     D. better
7. A. Decide    B.try    C.fail     D. take
8. A. Clean enough      B, enough clean

C.enough good      D. dirty enough

9.A. for    B. in      C. at      D. of

10.A.do      B. did     C. doing      D. done

四．选择括号内所给的单词或短语填空或用括号内所给单词的适当形式填空。

Water is very important to us.We can’t live without it. There is _1___(lots of; some) water on Earth, but we can’t use__2____(too much; too little). About 97% of the Earth’s water is salty.We can use only about 1% of the Earth’s water.It’s___3___(too few; too little).We use water from both lakes and rivers.___4____(Some; Any）of the water evaporates and then becomes rain. Sometimes the Earth’s water is  in the wrong place.There is ___5____(plenty of ; little) rain in the tropics(热带地区）， but it is difficult to have farms there. _6___(Some; Many) desert land is rich, but there is only _7___(a little; a few) water in the desert. The water is necessary for us _8____(live) and it is very _9___(value). We must save water because we can use__10__ (too much; too little) Earth’s water.

答案：

一．1.chemicals   2.laugh   3.to lock   4.valuable  5.pollution   6.are   7.are    8.safety 

9. to find    10.is wasting

二．1-5 DCCBC   6-10 CBABC

三．1-5 BDDCA  6-10 BCADD

四．1. lots of    2. too much   3.too little   4.Some   5.plenty of    6.Some  7.a little  8.to live   9.valuable   10.too little