The first group was given five doses______weekly intervals.

admin2015-08-26 15

问题 The first group was given five doses______weekly intervals.

选项 A、at
B、in
C、on
D、for

答案A

解析固定搭配题。at weekly intervals为习惯搭配，意为“每隔一星期”，故[A]为答案。

转载请注明原文地址:https://kaotiyun.com/show/huXK777K

专业英语四级

相关试题推荐

随机试题

最新回复(0)