三、完形填空（15分） You may think there is only sand in the desert(沙漠) of the world, but it is not true. In the desert, as we know, there is a little__26__ and it is not__27__ for most plants. Still we can see some plants live in the desert. There is___28_ in some places in the deserts. We__29__ these places oases(绿洲). In the oases, there are villages and towns. People grow__30__ kinds of vegetables and rice in the fields there. People__31__ live outside the oases. They have camels(骆驼), sheep and other animals. These animals live__32__ the desert plants for their food and do not need any water. The__33__ are useful to the desert people in many ways. They eat the__34__ and drink the milk of the animals. They__35__ the camels for carrying water, food, and_36___. The people of the desert have to keep__37__ from place to place. They must always look__38__ grass or desert plants for their animals. When there__39___ no more food for their animals, they move to another place. The desert people are__40__. Every one in the desert likes to help the people in trouble and give them food and water. 26. A. rain           B. rains           C. wind           D. winds 27. A. good          B. good enough     C. enough good    D. enough 28. A. earth          B. plants           C. wood          D. water 29.A. say            B. call            C. tell           D. find 30.A. every          B. all              C. a             D. one 31.A. also           B. too              C. either         D. still 32.A. on             B. with            C. of            D. by 33.A. water         B. plants           C. animals        D. food 34.A. meal           B. meat            C. body          D. food 35.A. let            B. make           C. drive          D. use 36.A. other something  B. something other  C. else something  D. something else 37.A. walking         B. carrying        C. moving        D. going 38.A. up             B. for             C. after          D. at 39.A. is              B. are             C. have          D. has 40.A. carefully        B. careful          C. friendly        D. friend