完形填空

　　Some people have sailed the world in quite small boats. It is not an easy thing 1 . Sometimes the weather 2 bad. That can be the 3 of everyone in it. Accidents can happen 4 .

　　One family once had an accident 5 some big fish. The fish swam 6 their boat and 7 holes in it. Sea water 8 , of course, and the boat soon 9 . However, these people had 10 small boat: a life-boat and they all got into that. They lived and 11 many days. They ate and slept, and they always hoped… At last a ship 12 them.

　　 13 can people live in a very small lifeboat？ Perhaps for weeks or months？ They must be strong 14 every way. They must have hope they must want to live. But you cannot eat and drink 15 .

　　You cannot drink sea water. If you drink a lot of 16 , you will quickly die. Sailors can drink rain water. They must 17 rain water in their boat. They must also catch fish and birds 18 . Lifeboats do not often carry a cooker, so the sailors cannot cook their food. Raw fish and bird meat is not very nice, but there is 19 choice in a lifeboat！ The sailors must eat raw food, or they will die.

　　 20 people think about in a lifeboat？ They think about land, a warm bed, dry clothes, fresh water and food, food, food.

1．

[　　]

2．

[　　]

3．

[　　]

4．

[　　]

5．

[　　]

6．

[　　]

7．

[　　]

8．

[　　]

9．

[　　]

10．

[　　]

11．

[　　]

12．

[　　]

13．

[　　]

14．

[　　]

15．

[　　]

16．

[　　]

17．

[　　]

18．

[　　]

19．

[　　]

20．

[　　]