good land againThey want to bring water to the desert,so people can live and grow foodThey are learning a lot about the desertBut more and more places of the Earth is becoming desert all the timeScientists may not change the desert in time．
Why is more and more land becoming desert?Scientists think that people make desertPeople are doing bad things to the earth
Some places on the earth don
't get much rainBut they still don't become desertThis is because some green plants are growing thereSmall green plants and grass are very important to dry placesPlants don't let hot sun make the earth even drierPlants don't let the wind blow the dirt awayWhen a little rain falls,the plants hold the water．Without plants,the land can become desert much more easily
(1)
Desert ________
[ ]
A．
gets not much water
B．
never has any plants or animals in it
C．
both A and B
D．
can all be turned into good
land before long
(2)
Small green plants and grass are
very important to dry places because ________
[ ]
A．
they don
't let the sun make the earth much drier
B．
they don
't let the wind blow the earth away
C．
they hold the water
D．
all the above
(3)
Land is becoming desert little by little because ________
[ ]
A．
plants can
't grow there
B．
there is not enough water
C．
people are doing bad things to the earth
D．
scientists know little about desert
(4)
After reading this passage,we learn that ________
[ ]
A．
plants can keep dry land from becoming desert
B．
it is good to get red of the grass in desert
C．
all places without much rain will become desert
D．
it is better to grow crops on dry land than to grow grass
(5)
Without plants
,________
[ ]
A．
the land can become desert much more easily
B．
we don
't have water
C．
the sun will be hot
D．
we get little rain
句型转换
He plays basketball very well(
为P义y)
He is ________________ playing basketball
用所给单词的正确形式填空
1．I'm tiredI need ________ (have) a rest
2．The old man looked at them ________ (angry) and couldn't say a word
3．Don't feel ________ (worry) about your child．The class could be ________ (friend) to the new classmates．
4
．Li Lei runs ________ (quick) than Wang Dong
5
．She sings very ________ (good)
根据汉语提示完成下列句子
他比我擅长游泳。
He is ________ than ________________ swimming
用所给单词的适当形式填空
1
．Who runs ________ (slow),Lily or Lucy?
2
．They
need to learn English quickly and speak it ________ (good)
3
．It's difficult ________ (see) at the back
It
's more difficult ________ old people ________ English
