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问题 填空题

倒位杂合子在减数分裂过程中，可以形成______。

答案

参考答案：倒位环

选择题
—May I speak to Mr Smith?
—Sorry, he ____ Australia. But he ____ in two days.

A. has been to; will come back
B. has gone to; will be back
C. has been in; would come back
D. is leaving for; doesn't come back
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单项选择题 A1/A2型题

以下关于“不伤害”原则的表达不正确的是（）

A.无损伤

B.尽可能避免身体方面的伤害

C.尽可能避免生理方面的伤害

D.尽可能避免心理方面的伤害

E.避免道德伤害
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