阅读下列短文，从所给的四个选项中，选出最佳答案．

　You may think there is only sand in the desert of the world, 　1　 it is not true．In the desert, as we know, there is a little 　2 　, but it is not 　3 　for most plants. Still we can see some plants 　4 　in the desert．

　There is 　5 　in some places in the desert．We 　6 　these places oases(绿洲)．In the oases, there are villages and towns．People grow 　7 　kinds of crops in the fields there．

　People 　8 　live outside the oases．They have camels, sheep and other animals．These animals depend 　9 　the desert plants for their food and do not need 　10 　water．

　The 　11 　are useful to the desert people in many ways．They eat the 　12 　and drink the milk of the animals．They 　13 　the camels for carrying water, food, tents(帐篷)and 　14 　．

　The people of the desert have to keep 　15 　from place to place．They must always look 　16 　grass or desert plants for their animals．When there 　17 　no more food for their animals, they move to 　18 　place．The desert people are 　19 　．No man in the desert would ever refuse 　20 　the people in trouble and give them food and water．

　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　

1．A．and	B．but	C．or	D．so	[　　]
2．A．rain	B．rains	C．wind	D．winds	[　　]
3．A．good	B．good enough	C．enough good	D．enough	[　　]
4．A．live	B．to live	C．lives	D．lived	[　　]
5．A．stones	B．plants	C．wood	D．water	[　　]
6．A．say	B．tell	C．call	D．find	[　　]
7．A．every	B．all	C．a	D．one	[　　]
8．A．also	B．too	C．either	D．still	[　　]
9．A．with	B．in	C．on	D．by	[　　]
10．A．a little	B．few	C．much	D．any	[　　]
11．A．water	B．plants	C．crops	D．animals	[　　]
12．A．meat	B．meal	C．food	D．body	[　　]
13．A．let	B．make	C．drive	D．use	[　　]
14．A．other something	B．something other	C．else something	D．something else	[　　]
15．A．walking	B．going	C．moving	D．carrying	[　　]
16．A．at	B．for	C．up	D．after	[　　]
17．A．is	B．are	C．has	D．have	[　　]
18．A．other	B．the other	C．the others	D．another	[　　]
19．A．well	B．friend	C．friendly	D．carefully	[　　]
20．A．help	B．helps	C．helping	D．to help	[　　]

You may think there is only sand in the desert(沙漠) of the world, __41__ it is not true. In the desert, as we know, there is a little __42__, but it is not __43__ for most plants. Still we can see some plants __44__ in the desert.
    There is __45__ in some places in the desert. We __46__ these places oases(绿洲). In the oases, there are villages and towns. People grow __47__ kinds of crops in the fields there.
People __48__ live outside the oases. They have camels, sheep and other animals. These animals depend on(依靠) the desert plants __49__ their food and do not need __50__ water.
    The __51__ are useful to the desert people in many ways. They eat the meat and drink the milk of the animals. They use the camels for carrying water, food, tents and something else.
The people of the desert have to keep moving from place to place. They must always look __52__ grass or desert plants for their animals. When there is no more food for their animals, they move to __53__ place. The desert people are __54__. People in the desert would be willing __55__ the people in trouble and give them food and water.

41. A. and             B. but                   C. or                    D. so
42. A. rain            B. rains                 C. wind                D. winds
43. A. good           B. good enough     C. enough good     D. enough
44. A. live             B. to live               C. lives                 D. lived
45. A. stones         B. plants               C. wood                      D. water
46. A. say             B. tell                   C. call                  D. find
47. A. every          B. all                    C. a                      D. one
48. A. also            B. too                   C. either                      D. still
49. A. for             B. on                    C. by                    D. with

50. A. a little         B. few                  C. much                      D. any
51. A. water          B. plants               C. crops                      D. animals
52. A. at                      B. for                   C. up                    D. after
53. A. other          B. the other           C. the others         D. another
54. A. well            B. friend               C. friendly            D. carefully
55. A. help            B. helps                C. helping             D. to help

You may think there is only sand in the desert of the world, __1__ it is not true. In the desert, as we know, there is a little __2__, but it is not __3__ for most plants. Still we can see some plants __4__ in the desert.
　　There is __5__ in some places in the desert. We __6__ these places oases. In the oases, there are villages and towns. People grow __7__ kinds of crops in the fields there.
　　People __8__ live outside the oases. They have camels, sheep and other animals. These animals depend __9__ the desert plants for their food and do not need __10__ water.
　　The __11__ are useful to the desert people in many ways. They eat the meat and drink the milk of the animals. They use the camels for carrying water, food, tents and something else.
　　The people of the desert have to keep moving from place to place. They must always look  12   grass or desert plants for their animals. When there is no more food for their animals, they move to __13__ place. The desert people are __14__. No man in the desert would ever refuse __15__ the people in trouble and give them food and water.

　　1. A. and        B. but                   C. or                            D. so
　　2. A. rain        B. rains                 C. wind                 D. winds
　　3. A. good      B. good enough      C. enough good      D. enough
　　4. A. live        B. to live               C. lives                 D. lived
　　5. A. stones     B. plants                C. wood                D. water
　　6. A. say         B. tell                   C. call                   D. find
　　7. A. every     B. all                    C. a                      D. one
　　8. A. also        B. too                   C. either                D. still
　　9. A. with              B. in                            C. on                    D. by
　　10. A. a little  B. few                   C. much                D. any
　　11. A. water    B. plants                C. crops                D. animals
　　12. A. at         B. for                    C. up                    D. after
　　13. A. other    B. the other           C. the others          D. another
　　14. A. well     B. friend               C. friendly             D. carefully
　　15. A. help     B. helps                 C. helping             D. to help