Question

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. short　　       C. shorter　　     D. longer

(    )9. A. get　　     B. be　　　　     C. become　　    D. change

(    )10. A. improve  B. improves        C. improved        D. improving

 

Answer 1

答案：C;B;B;A;A;C;D;C;D;A
提示：

1．  因?yàn)樘鞖馐乔ё內(nèi)f化的, 所以隨時可能會有不同的天氣變化，故此題選C。 2．  太陽升起預(yù)示著白天的開始，故此題選B。 3．  白天比較暖和是由于在白天太陽的光線照射在地球表面上，而That’s because是“那是因?yàn)椤�…”的意思，故此題選B。 4．  在夜里，太陽的光線不能照射到地球上，所以天氣和白天相比就會較涼，故此題選A。 5．  由于在中午太陽的光線是直射的，而straight 這個詞本身就有形容詞和副詞兩種詞性，故此題選A。 6．  go round 是一個短語，意思是“圍繞……轉(zhuǎn)”，根據(jù)這句話的含義，此題選C。 7．  地球是個球體，當(dāng)它的一面對著太陽，另一面就背著太陽。而be away from 的意思是“遠(yuǎn)離……”，根據(jù)引申義此題選D。 8．  冬天和夏天比較，天氣更冷，且白天更短，故此題選C。 9．  除了太陽能改變天氣，人類也能改變天氣，故此題選D。 10．       人類應(yīng)及時采取有利措施來提高我們目前的生存環(huán)境，故此題選A。