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【简答题】
常规有性杂交育种中杂交后代选择方法有______、______和______。
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【单选题】以下表达“物性”的英语词汇是_______。
A.
account for
B.
the properties of substance
C.
natural changes
D.
chemical pollution
【单选题】Imagine ___________ to travel to Greece for free. Nobody can avoid ___________ by the idea.
A.
paying; attracting
B.
being paid; being attracted
C.
being paid; attracting
D.
to be paid; being attracted
【单选题】Everybody may have seen the film 'Death on the Nile (尼罗河) ,' but nobody can imagine that the writer of the story, Agatha Christie, saved a baby in a most unusual way. In June 1977, a baby girl became ...
A.
her parents were living in London then
B.
the hospitals in Deleville were full at that time
C.
she was the daughter of a famous doctor in London
D.
doctors in Deleville were not sure about the cause of her illness
【简答题】Everybody may have seen the film “Death on the Nile (n. 尼罗河)”, but nobody can imagine that the writer of the story, Agatha Christie, saved a baby in a most unusual way. In June 1977, a baby girl becam...
【单选题】听力原文：W：Prefer to be housewives? Can you imagine the monotony，the boredom and the frustration? M：Oh，yes，I can imagine it easily enough．But don't forget that lots of men have equally bonng jobs and less...
A.
A lot of men have interesting jobs.
B.
A lot of men have equally boring jobs.
C.
A lot of men have freedom to their jobs.
D.
A lot of men think that to be a housewife is easy.
【单选题】Nobody can imagine what difficulty we had _____ home in the snowstorm.
A.
walking
B.
to walk
C.
walked
D.
to walking
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