Question

The world is not only hungry, ___1_____ will also be thirsty for water. About 97％ of water on the ____2____ is sea water, or salt water. Man can only drink or use the other ____3____ of the fresh water which comes from rivers, lakes and underground. On the other ___4_____, because the number of people of the world is becoming larger and larger, more and ____5____ fresh water is needed. So water shortage（短缺）becomes a big problem.

　　How can we work out this ___6_____? Scientists have found some ways to turn salt water into fresh. One important way is to ___7_____ sea water with high heat until vapor（蒸汽）rises, leaving the salt. In this way, a lot of fresh ____8____ can be made quickly.

　　But heating is not the only way to get fresh water. Other ways are tried, for ___9_____ , digging deep wells, keeping rain water and preventing（阻止）rivers from being polluted（污染）.

　　Which way is the best? To get the most fresh water for the ___10_____ money is the best.

（�。�1. A. they　　　　  B. it　　　　　　　　　　　　　　 C. their　　　　　　　　　　    D. it's

（�。�2. A. land　　　　   B. earth　　　　　　　　　　    C. sea　　　　　　　　　　　　  D. river

（　）3. A. 0.3％　　    B. 30％　　　　　　　　　　    C. 3％　　　　　　　　　　　　 D. 0.03％

（�。�4. A. hands　　    B. head　　　　　　　　　　    C. hand　　　　　　　　　　    D. heads

（　）5. A. much　　    B. most　　　　　　　　　　    C. many　　　　　　　　　　   D. more

（�。�6. A. problem　　 B. question　　　　　　　　   C. trouble　　　　　　　　　　 D. fact

（�。�7. A. cook　　　　 B. boil　　　　　　　　　　　　  C. make　　　　　　　　　　   D. get

（�。�8. A. waters　　   B. water　　　　　　　　　　   C. sea　　　　　　　　　　　　  D. seas

（�。�9. A. an example　　　　　　　　　　　　　　　　   B. examples

　　　　 C. example　　　　　　　　　　　　　　　　　　  D. the example

（　）2. When he saw two men attacking a young woman, Mr Brown ________ .

A. drove to the police station　　　　　　　　　　　　　　 B. got out of his car and helped her

C. stopped his car and shouted　　　　　　　　　　　　  D. lay down on the ground

（�。�3. When the policemen came, they found Mr Brown ________ .

A. was badly hurt　　　　　　　　　　　　　　　　　　　　    B. was a great boxer

C. was fighting the two men　　　　　　　　　　　　　　 D. was helping the young woman

（�。�4. He didn't fight back because ________.

A. he wasn't a good boxer　　　　　　　　　　　　　　    B. the two men were much stronger than him

C. he could hit four of them　　　　　　　　　　　　　　  D. he had to obey（遵守）the boxing rules

（　）5. One of the boxers' rules is ________.

A. to fight with the gloves on　　　　　　　　　　　　    B. to fight without the gloves on

C. to fight with strong fists　　　　　　　　　　　　　　   D. to fight four men

 

y:"Times New Roman"'>（�。�10. A. little　　　　 B. less　　　　　　　　　　　　  C. littlest　　　　　　　　　　  D. least

 

Answer 1

答案：B;B;C;C;D;A;B;B;C;D