下面哪一个不是核燃料循环的模式:()
A、后处理模式
B、“一次通过”模式
C、“waitanD、see”模式
D、前处理模式
参考答案:D
The doctor asked the man what _____. [ ]
A. the matter was
B. was the wrong
C. was the matter
D. was his trouble
读下表,回答问题。
___________________________________________________________________________________________
(2)怎样对待我国人均资源不足的问题?