根据句意选择与句中画线部分意义相同或相近且能代替的选项。

1.—Thank you for your help.

   —It's my pleasure.       

A. Don't thank me    

B. Never mind

C. Certainly not    

D. You're welcome

2. You can see many shops on both sides of the street.

A. all sides    

B. every side    

C. neither side    

D. each side

3. When someone is in trouble, give him a hand.     

A. help him    

B. put up your hand

C. borrow his hand    

D. take away your hand

4. I don't know which ball is mine.  They look the same.    

A. They look like each other    

B. They look at each other

C. They look after each other    

D. They look for each other

5. You look really cool with the new black hat.  

A. very cold    

B. not warm    

C. wonderful    

D. not bad

邓 * * 历来十分重视农业问题。他强调指出：“农业是根本，不要忘掉”。“农业搞不好，工业就没有希望，吃、穿、用的问题也解决不了。”他告诫我们：“90年代经济如果出问题，很可能出在农业上；如果农业出了问题，多少年缓不过来，整个经济和社会发展的全局都要受到严重影响”。这些话的意思是，农业( )

A．是我国国民经济中的第一产业

B．在国民经济中处于基础地位

C．对国民经济的发展起主导作用

D．是经济现代化的重要标志