我国水资源开发利用存在的主要问题?

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问题:

我国水资源开发利用存在的主要问题?

考点:资源经济学资源经济学题库
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完形填空。
     Jimmy  1  in the country (农村) and he loves  2  in the river near his house, but his father gets a job
in a big city and he moves (搬到) there  3  his family.
    Their new house has a garden, but the garden is small. Jimmy  4  very happy. "Is there a river  5  ?"
He is asking his mother  6  the first morning. His mother is answering, "No, there isn't, but there is a
beautiful park near here and there is a pool in it. We  7  there this afternoon." Jimmy is happy now.    
     After lunch, Jimmy and his mother go to the park. Jimmy wants  8  near the pool, but there is a
sign (标牌) in front of it. His mother reads it to him. "Warning (注意), this pool is dangerous (危险),
367 people have fallen into it (已掉入)." "Jimmy looks into the pool  9  and he says," But I can't  10  
them."
( )1. A. lives    
( )2. A. plays  
( )3. A. and    
( )4. A. isn't    
( )5. A. near here
( )6. A. on      
( )7. A. is going  
( )8. A. to walk  
( )9. A. care    
( )10. A. look  
B. living    
B. playing  
B. or        
B. doesn't  
B. ne ar to here
B. in         
B. are going  
B. walk       
B. careful    
B. see        
C. live    
C. play    
C. with    
C. is      
C. here near  
C. at      
C. go        
C. walking  
C. carefully  
C. look for  
D. to live    
D. playes      
D. to          
D. not        
D. here to near
D. for        
D. goes                                
D. walks      
D. cares      
D. look at    
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水的电离平衡曲线如右图所示,下列说法不正确的是(  )

A.若从A点到C点,可采用:温度不变在水中加入适量的NH4Cl固体

B.若从A点到D点,可采用:温度不变在水中加入少量的酸

C.图中五点KW间的关系:B>C>A=D=E

D.若处在B点时,将pH=2的硫酸与pH=10的KOH等体积混合后,溶液显中性

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一般情况下,()放弃其在保险合同中可以主张的某种权利称之为弃权。

A.投保人

B.受益人

C.保险人

D.被保险人

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瘀血内阻型产后抑郁的临床表现有()

A.抑郁寡欢,神志恍惚

B.神疲乏力,面色萎黄

C.纳少便溏,脘闷腹胀

D.舌淡,苔薄白,脉细数

E.舌暗有瘀斑,苔白,脉弦

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万维网之父是()。

A.彼得·德鲁克

B.舍恩伯格

C.蒂姆·伯纳斯-李

D.斯科特·布朗

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