完形填空
The weather
is changeable. Sometimes it's very sunny in the morning, but it starts raining
in the afternoon, it __1__ be sunny again in the evening. Do you know who
changed the weather?
There are
many reasons for it. When the sun __2__, it is day. When the sun sets, it is
night. Days are warmer than nights. This is __3__ the sunshine falls on the
earth during the day. The sunshine makes the land, the water and the air warm.
At night when the sun is not there, it is __4__. In the mornings and in the
evenings the sunshine is slanting(斜射). So it is not very hot. At noon the sunshine falls __5__ on the
earth, and it is very hot.
We know that
the earth goes __6__ the sun. When one half of the earth is close to (就近) the sun, the other half is __7__
from it. The part of the earth closer to the sun is summer. Here the days are
warmer and longer. And the part of the earth away from the sun is winter. Here
the days are cooler and __8__. For example, when it's winter in China, it is
summer in Australia.
People can
__9__ the weather, too. We know the temperature on the earth is getting warmer
and warmer. This is because the environment has been polluted and destroyed .
Now the weather is much worse than before. It's very terrible. If we want to
__10__ our environment, something useful should be done immediately.
1.
A. must B. can't C. may D. should
2.
A. rose B. rises C. rising D. sets
3.
A. why B. because C. how D. when
4.
A. cooler B. coolest C. hot D. hottest
5.
A. straight B. straightly C. slant D. slanting
6.
A. over B. in C. round D. below
7.
A. off B. wide C. high D. away
8.
A. long B. shortr C. shorter D. longer
9.
A. get B. be C. become D. change
10.
A. improve B. improves C. improved D. improving
答案及解析:
1 C 因为天气是千变万化的,所以随时可能会有不同的天
气变化,故此题选C。
2 B 太阳升起预示着白天的开始,故此题选B。
3 B 白天比较暖和是由于在白天太阳的光线照射在地球表
面上,而That's
because是"那是因为……"的意思,
故此题选B。
4 A 在夜里,太阳的光线不能照射到地球上,所以天气和
白天相比就会较凉,故此题选A。
5 A 由于在中午太阳的光线是直射的,而straight
这个词本身就有形容词和副词两种词性,故此题选A。
6 C
go round 是一个短语,意思是"围绕……转",根据
这句话的含义,此题选C。
7 D 地球是个球体,当它的一面对着太阳,另一面就背着
太阳。而be away
from 的意思是"远离……",
根据引申义此题选D。
8 C 冬天和夏天比较,天气更冷,且白天更短,故此题选C。
9 D 除了太阳能改变天气,人类也能改变天气,故此题选D。
10 A 人类应及时采取有利措施来提高我们目前的生存环境,
故此题选A。