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【单选题】
某杂交组合的F2群体呈27:37的分离比例。请选择该遗传的性质是()。
A.
独立遗传
B.
互补遗传
C.
连锁遗传
D.
抑制遗传
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A.
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B.
错误
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【多选题】平行于坐标面的圆的正等轴测图可以用( )来绘制。
A.
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B.
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C.
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D.
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【单选题】What would be the best title for the passage?
A.
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B.
TV Will Disturb the World
C.
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D.
TV Will Remain in World
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A.
Because the shape of snow crystal(晶体) is still a mystery for experts.
B.
Because the snowfall is a blessing for human beings.
C.
Because experts have different ideas about the formation of snowflakes.
D.
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A.
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B.
The washing machine should have worked longer.
C.
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D.
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A.
正确
B.
错误
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