2. 职称英语
  3. We must ______ that the experiment is controlled as rigidly as possible.A、secure

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

游客2023-11-18  17
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 题型：词汇题。此题考查动词词义。ensure确保，如：ensure success保证成功；还可以ensure sb. against (from)danger保护某人免受危险，issue为无关干扰词，意思是“发行；分配”；secure表示“保护，确保安全”，如： secure one’s life；assure意思是“保证，担保”。
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