阅读材料,回答下列问题。 材料一黄淮海流域人均水资源量仅为全国平均水平的21%,

题型:综合

问题:

阅读材料,回答下列问题。

材料一 黄淮海流域人均水资源量仅为全国平均水平的21%,有2亿多人口不同程度存在饮水困难,工农业发展受到严重制约。我国南水北调东线工程将大大缓解黄淮海地区的用水紧张状况。图是我国南水北调东线工程线路示意图。

材料二 秘鲁是个多山国家,著名的马赫斯一西瓜斯调水工程建在安第斯山区,是迄今为止世界上已建的海拔最高的调水工程,工程艰巨宏伟,开创了高山地区调水之先河。图是秘鲁东水西调工程线路示意图。

(1)试对两调水工程进行比较,完成下表。 (8分)

调水工程我国南水北调东线工程秘鲁东水西调工程
水资源南北或东西

差异的气候原因

  
调水工程量大小  
原因  
 

(2)我国南水北调东线工程黄河以南需要逐级抽水,原因是什么?(2分)

(3)从可持续发展的角度分析跨流域调水对调入区的主要影响。(3分)

考点:产业转移资源的跨流域调配
题型:综合
完形填空。
     John sits in the cafe, listening to the sad music playing on an old tape recorder. The song seems to go on
forever. John think it's   1  , but he doesn't want to hear it now. It's too sad for him. It makes him   2   of his
uncle in Egypt who he hasn't seen for many years now.
     John's father   3   a few months ago. After that, John found that there were so many things that   4   had
wanted to ask his father, but had never asked. He realized that he knew   5   about his own family, and decided
to try and find out more about the place where his father had   6   up.
     He has now spent a couple of days   7   around Jerusalem with an old, torn photo in his hand. The photo
shows the whole   8  , his grandparents standing   9   at the centre of a group of four children in front of a
house on a busy street. Next to the  10  there seems to be a garden with what look like olive trees in it. John,
though, can't find anywhere in this modern Jerusalem that looks much like the street or the house where the
photo was taken.
( )1. A. funny   
( )2. A. think   
( )3. A. moved   
( )4. A. they    
( )5. A. little  
( )6. A. started 
( )7. A. looking 
( )8. A. people  
( )9. A. slowly  
( )10. A. house  
B. beautiful 
B. know      
B. lived     
B. it        
B. much      
B. grown     
B. turning   
B. school    
B. carefully    
B. trees     
C. noisy   
C. hear    
C. traveled    
C. he      
C. some     
C. brought     
C. driving 
C. family  
C. proudly 
C. street  
D. sad      
D. dream    
D. died     
D. she      
D. none     
D. kept     
D. walking                  
D. group    
D. quietly  
D. children 
题型:综合

要提高我国人口素质,就要提倡优生.优生的直接目的是(  )

A.使后代更健壮、更高大一些

B.要求后代聪明一些

C.要求注意加强对后代的教育

D.提高遗传素质,避免生出有遗传疾病的后代

题型:综合

根据《商业银行法》的规定,对流动性资产余额与流动性负债余额的比例不得低于( )。

A.8%

B.25%

C.10%

D.20%

题型:综合

有关Marfan综合征描述,错误的是()

A.蜘蛛指为特征性改变

B.常染色体显性遗传病

C.多见于儿童

D.硬脊膜膨出少见

E.体型瘦长、脊柱侧弯、鸡胸

题型:综合

()、()与大气的物理状态密切相关。

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