选择与画线部分意思相同或相近的选项。

1.There was a clever boy called Tim.

A. named              

B. known                

C. written

2.What’s up?

A. How are you?        

B. What’s happening?      

C. What’s your name?

3.In the end, we worked out the problem.

A. At last              

B. Above all              

C. At a time

4.We were pleased to hear the good news.

A. sad                

B. happy                

C. nervous

5.He didn’t reply the question when the teacher asked him.

A. understand          

B. give                  

C. answer

每个胎盘平均可采集到单核细胞(MNC)数()

A．1.0×10

B．2.0×10

C．3.0×10

D．4.0×10

E．5.0×10