We must______ that the experiment is controlled as rigidly as possible.A、secure

游客2024-10-24 46

问题 We must______ that the experiment is controlled as rigidly as possible.

选项 A、secure
B、ensure
C、assure
D、issue

答案 B

解析此题考查动词词义。ensure 确保。issue为无关干扰词，发行：分配。

转载请注明原文地址:http://tihaiku.com/zcyy/3815832.html

相关试题推荐

随机试题

最新回复(0)

FromtheexperimenttheEgyptiankingconcludedthat______.[br]Wecaninferf