金属材料焊接性好坏主要决定于材料的化学成份。

—Your coffee smells good!

—It's from Canada. Would you like _________? [ ]

A. it

B. some

C. this

D. little

After that, he knew he could _______ any emergency by doing what he could to the best of his ability.

A．get away with

B．get on with

C．get through

D．get across

配料单中的数据与设计施工图中的钢筋材料表并不完全一致。( )

变压器自动跳闸后如何处理？

在给刺激前、后取血测定GH水平的GH动态功能试验属GH释放的兴奋试验有（）

A.运动刺激试验

B.GH抑制试验

C.运动加强试验

D.精神刺激试验

E.TRH兴奋试验