光学零件常涉及就位的精确性,应尽可能少拆或采取分批拆卸,分批组装的办法。( )
参考答案:对
—Is Mr Smith older than Mr Green?
—Yes, I think . [ ]
A. many; not
B. much; so
C. so; not
D. more; so
作业分析的技能是一种教学反馈的技能。( )