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【单选题】
在每对基因独立遗传的条件下, AaBbCC与aaBbcc进行杂交,其子一代中表现型与双亲不同的个体占全部子代的( )A.
1/4
B.
3/8
C.
5/8
D.
3/4
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举一反三
【单选题】The "law of demand" refers to the fact that, other things remaining the same, when the price of a good rises,
A.
the demand curve shifts rightward.
B.
the demand curve shifts leftward.
C.
there is a movement down along the demand curve to a larger quantity demanded.
D.
there is a movement up along the demand curve to a smaller quantity demanded.
E.
the demand curve shifts rightward and there is a movement up along the demand curve to a smaller quantity demanded.
【单选题】The "law of demand" refers to the fact that, all other things remaining the same, when the price of a good rises
A.
the demand curve shifts rightward.
B.
the demand curve shifts leftward.
C.
there is a movement down along the demand curve to a larger quantity demanded.
D.
there is a movement up along the demand curve to a smaller quantity demanded.
【简答题】新闻语篇翻译
【单选题】世界制造厂识别代号在与车辆识别代号的其余部分一起使用时,足以保证()年之内在世界范围内制造的所有车辆的车辆识别代号具有唯一性。
A.
15
B.
20
C.
50
D.
30
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