手段——目的分析法
参考答案:
是将需要达到的问题的目标状态分成若干子目标,通过实现一系列的子目标而最终达成总目标。
The old buildings, _____ the seventeenth century, were destroyed in the earthquake.
A.date from
B.dating from
C.dated from
D.to date from
下列实验基本操作中,正确的是 [ ]
A.
B.
C.
D.