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【单选题】
组织学切片染色最常用的方法是A.
亚甲蓝染色
B.
C.
苏木精-染色
D.
染色
E.
甲苯胺蓝染色
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举一反三
【单选题】If they were exposed to oil, deep-sea organisms including fish and deep-sea corals______.
A.
would definitely become extinct
B.
could have their growth damaged
C.
might enjoy an explosive growth
D.
would stop reproducing permanently
【单选题】My wife complains that the television serial play is often interrupted by _____.
A.
Literature
B.
media
C.
correspondence
D.
commercial
【单选题】My wife complains that the television serial play is often interupted by _______.
A.
literature
B.
media
C.
sprrespondence
D.
commercials
【简答题】长江是亚洲长、世界上第三长的河流。长江流经多种不同的生态系统,是诸多濒危物种的栖息地,灌溉了中国五分之一的土地。长江流域(river basin)居住着中国三分之一的人口。长江在中国历史、文化和经济上起着很大的作用。长江三角洲(delta)产出多大20%的中国国民生产总值。几千年来,长江一直被用于供水、运输和工业生产。长江上还坐落着世界的水电站。
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