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We must______that the experiment is controlled as rigidly as possible.
We must______that the experiment is controlled as rigidly as possible.
admin
2018-06-18
4
问题
We must______that the experiment is controlled as rigidly as possible.
选项
A、assure
B、secure
C、ensure
D、issue
答案
C
解析
assure:v.使(某人)确信(某事),使信服,使相信,后面常接人作宾语;ensure:v.保证,确保,使安全,后面可以接从句作宾语;secure:adj.安全的,无虑的;issue:v.发行,发布,发给。根据句意可知,选C。
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英语题库普高专升本分类
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英语
普高专升本
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