7. A. eating　　　　 B. to eat　　　　　　　 　C. getting　　　 D. cooking

6. A. drink　 　　　　B. have　　　　　　　 C. drinking　　　 D. getting

5. A. could　　　　 　B. can　　　　　　　　 C. will　　　　 D. had

4. A. because　　　 　B. as　　　　　　　　 C. for　　　　　 D. because of

3. A. do　　　　　 　B. drink　　　　　　　 C. have　　　　 D. will do

2. A. ill　　　　　　 　B. die　　　 　　　　　C. dead　　　　 D. sick

1.A. sinks　　　　　 　B. goes down　　　　 　C. sink　　　　 D. lost

4.

It can be dangerous to travel by sea. Ships sometimes __1_ far away from land. When this happens, the sailors have to get into small boats. If another ship does not come and help them and they do not have enough food or water, they will __2__.

　 Most people believe (相信) we must nor drink sea water. they believe that if we __3_, we shall be very ill __4__ all the salt in the water. A doctor called Alain Bombard did not believe this. He thought that people __5__ stay alive by __6__ sea water and __7__ small fish, animals and plants from the sea. On 19 October 1953, he set out in a small boat to __8__ the Atlantic Ocean(大西洋). He did not take any food _9__ water with him.

　 Every day Dr. Bombard drank just a little seas water. he also caught fish and they had water _10__ them. He drank this water. he could not cook the fish, so he ate them _11__ they were. He took small plants from the sea, __12__ gave him more food.

　 　Dr. Bombard became __13__, tired and quite ill, but after 65 days at sea, he was still alive. He traveled 2750 miles from one side of the Atlantic ocean to the other, and on 24 December 1953 , he reached Barbados.

　 　He _14_ 20 kilos, but he showed that people could live __15__ sea water and the animals and plants in the sea.　　　　　　　　　　　　　　　　　　　　　　　

15．A. newest　　　　 B. latest　　　　　　　 C. earliest　　　　　 D. fastest

14．A. accidents　　　 B. accident　　　　　　 C. mine　　　　　　 D. place