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

根据短文内容和首字母提示，在下文空格处填入适当的词使短文完整。（每空一词）
The snow lasted nearly a week. The ground turned white and the wind blew in through the b__【小题1】___ window. Old Jack looked outside and it seemed the sun was shining b___【小题2】___. He got up and tried to get some food in the kitchen but f___【小题3】___. He remembered he had eaten up the l___【小题4】___ piece of bread yesterday. He wanted to get a little from the store nearby, but the shopkeeper had said he would n___【小题5】___ sell him anything on credit(赊).
Now Old Jack went out. There were few walkers in the street and most shops were closed. He tried to beg some food but nobody felt s__【小题6】___ for him. He got even h___【小题7】___ and didn’t know where to go. At last, he n___【小题8】___ a woman at the bus stop, with a bag on the ground.
“It must be full of food..” he thought to himself. Then he walked towards the bag gently. But before he took it away, the woman found it and called out. “ Thief! Stop him!” He tried to run fast but couldn’t . He fell over and he stood up, he found h___【小题9】___ between two policemen.
“What were you thinking of when you stole the bag?” asked a policeman.
“ I’ll be full for a week if I’m successful and the prison will o___【小题10】___ me some food if I’m caught.