搜题请搜索小程序“爱下问搜题”
问题 综合

读下面我国五大湖区的分布图，回答问题。

（1）东部平原湖区与青藏高原湖区的很多湖泊面积缩小，请分别分析其原因。

（2）东部平原湖区湖泊面积减少会对自然环境产生哪些影响？

（3）云贵高原湖区气候湿润，但湖泊相对较少，请分析其原因。

答案

（1）东部湖区：围湖造田；泥沙淤积。青藏高原湖区：地处内陆，降水少，蒸发强；上游拦截入湖河水灌溉；全球变暖。

（2）调蓄洪水能力下降；生物多样性减少；影响局部气候。

（3）地处喀斯特地貌区，流水溶蚀作用强，地表水不易存留，渗漏作用强。

（1）东部平原湖区与青藏高原湖区的很多湖泊面积缩小，其原因是东部湖区：围湖造田；泥沙淤积。青藏高原湖区：地处内陆，降水少，蒸发强；上游拦截入湖河水灌溉；全球变暖。

（2）东部平原湖区湖泊面积减少会对自然环境产生的影响有调蓄洪水能力下降；生物多样性减少；影响局部气候

（3）云贵高原湖区气候湿润，但湖泊相对较少，其原因是地处喀斯特地貌区，流水溶蚀作用强，地表水不易存留，渗漏作用强

完形填空

用所给动词的正确形式完成短文，并将答案依次填在短文后面相应的横线上。 　　

Once upon a time, there was a rich man. Each morning, the rich man found a poor man 76  (sit) on a bench in the park. The poor man always sat there, looking at the big hotel in which the rich man lived. One day, the rich man  77 (get)out of his car and said to the poor man, “Excuse me. I want  78  (know) why you sit here and look at my hotel every morning.” “Sir ,” said the poor man, “I am a failure. I 79  (have) no money, no family and no home. I sleep on this bench, and every night I dream that one day I will sleep in that hotel.” The rich man said, “Tonight your dream    80  (come) true. I’ll pay for the best room in that hotel for you a whole month.”　　

A few days later, the rich man went into the poor man’s room to ask him how he 81 (feel) in it. To his surprise, he found that the man 82  (move) out of the hotel back to his bench. When the rich man asked why, he said, “You see, while I  83 （sleep）on my bench, I dream I am there in the big hotel. It’s a wonderful dream. But while I 84 (be) there, I dreamed I was back to this cold bench. It was a terrible dream , and I 85  （can not）get any sleep at all.”　　

　 　

小题1:__________ 小题2:___________  小题3:____________  小题4:___________ 小题5:____________　　

　 　

小题6:__________ 小题7:___________  小题8:____________  小题9:___________ 小题10:____________　　
查看答案
单项选择题

成功治疗丙肝的关键是（）.

A.选择良好的治疗方案

B.早检测、早发现、早治疗
查看答案