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We must ________ that the experiment is controlled as rigidl

时间:2021-07-24 19:19来源:未知作者:admin 点击: 次

(单选题)39: We must ________ that the experiment is controlled as rigidly as possible. A: assure B: secure C: ensure D: issue

(单选题)39: We must ________ that the experiment is controlled as rigidly as possible.

A: assure

B: secure

C: ensure

D: issue

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