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【单选题】
自然状态下，生物体的基因重组（）A.
能够产生新的基因
B.
发生在受精作用过程中
C.
是生物变异的根本来源
D.
发生在减数分裂过程中
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反馈参考答案：
举一反三
【简答题】He is holding a ________ position in the company and expects to be promoted soon. A) subordinate B) succeeding C) successive D) subsequent
【单选题】He is holding a _____ position in the company and expects to be promoted soon.
A.
subsequent
B.
subordinate
C.
succeeding
D.
successive
【简答题】Whose ghost does Macbeth find seated at the table when he is holding a banquet?
【单选题】He is holding a ______ position in the company and expects to be promoted soon.
A.
subordinate
B.
succeeding
C.
successive
D.
subsequent
【单选题】He is holding a ______ position in the company and expects to be promoted soon.
A.
subordinate
B.
sequential
C.
successive
D.
subsequent
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