The first group was given five doses______weekly intervals.

admin2015-04-29  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/OzXK777K
0

最新回复(0)