故障假设分析方法一般要求评价人员用“”作为开头，对有关问题进行考虑。（） A.Wha

下列说法正确的是（　）

--- Which do you like better,Han Han or Guo Jingming?

--- __________. In fact ,I prefer Jiang fangzhou.

A．Either

B．Neither

C．Both

D．All

The _____________ we do our homework, the __________ mistakes we will make

A．more careful, less

B．more carefully, less

C．more carefully, fewer

D．more careful, fewer

在横线里填上合适的质数．

19=______+______

16=______-______

26=______×______．

生命历程理论