Before a problem can be solved, it must be obvious ________ the problem itself i

Before a problem can be solved, it must be obvious ________ the problem itself i

题型:同步题难度:来源:
Before a problem can be solved, it must be obvious ________ the problem itself is.[     ]
A.what  
B.that  
C.which  
D.why
答案
A
举一反三
            he referred to in his article was unknown to the general reader.    [     ]
A.That    
B.What    
C.Whether    
D.This
题型:同步题难度:| 查看答案
The machine has been used much too long.  ________it doesn"t work well sometimes.  [     ]
A. It"s no wonder that
B. There"s no doubt if
C. It"s unlikely
D. That"s because
题型:四川省同步题难度:| 查看答案
It is obvious to the students ________ they should get well prepared for their future.[     ]
A.as  
B.which  
C.whether  
D.that
题型:陕西省同步题难度:| 查看答案
It has been proved________violence on television has a bad effect on the development of children.[     ]
A.whether  
B.because  
C.when  
D.that
题型:山东省同步题难度:| 查看答案
       _impressed me most was the scenery of  Changbai Mountains.         [     ]
A. What                    
B. That        
C. While                    
D. It
题型:同步题难度:| 查看答案
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