固定组织的步骤是：取材、固定、透明、脱水、浸蜡、包埋。
A. 对
B. 错
组织切片进行H.E.染色几个关键步骤的目的：脱蜡，复水。
While people may refer to microblogging for uo-to-the-minute information, it is unlikely that microblogging ______ the news paper completely.
A. replace
B. have replaced
C. replacing
D. will replace
---- When is the lecture supposed to start?---- It ______ now.
A. is about start
B. is about starting
C. is about to start
D. has about to start
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