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问题 选择题

设果蝇品系的第二对染色体有Ⅰ：abcdefgh；Ⅱ：abcfedgh；Ⅲ：aedcbfgh三种排列，从这些排列所推测的演化次序应为[ ]

A．Ⅰ—Ⅱ—Ⅲ

B．Ⅱ—Ⅰ—Ⅲ

C．Ⅲ—Ⅱ—Ⅰ

D．Ⅱ—Ⅲ—Ⅰ

答案

答案：B

多项选择题

期股的获取方法有()

A.出资购买

B.赠与

C.继承期股

D.奖励

E.转让
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选择题

English songs are fun. But ________ that,  they’ll help you improve your English skills.

A．other than

B．more than

C．rather than

D．regardless of
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