搜题请搜索小程序“爱下问搜题”
问题 单项选择题

通过目的基因的非定点整合，使其表达产物补偿缺陷基因的功能或加强原有功能的基因治疗方法是（）

A.基因置换

B.基因失活

C.基因增补

D.基因矫正

E.基因沉默

答案

参考答案：C

单项选择题

When I was there, he was still working. He said that he (1) for the last two hours (2) that he was going to stop (3) . He added that if I had arrived ten minutes later, I (4) at home. When I mentioned that the house looked quite (5) , he said that the woman (6) usually cleaned it had been sick for some time and (7) for over a week. When I asked him (8) he did not do it himself, he said that he (9) to do so if Mrs. Jones did not come the (10) day.

[A] after a few minutes [B] in a few minutes [C] a few minutes later
查看答案
问答题

论述中 * * 党探索社会主义建设道路的主要成果。
查看答案