The federal rules aimed at protecting human subjects of medical experiments were established to ensure that patients must be warned of potential risks and an independent panel would evaluate the experiment before it was conducted.
语法 Sentence Correction-3446
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正确的用户笔记
无敌的肥非仔 2015-09-06 12:06:31
must be 与ensure 重复了
lyf0420 2015-12-01 22:19:20
语法--原句用了ensure 则后面不用must了,不然就重复了
lkid 2015-09-25 22:51:43
must be和ensure有语意上的重复;and后面缺少宾语从句引导词that;must与后面的would不平行。
leahliulliu1 2016-11-18 10:18:06
ensure和must be有语意义重复，缺少第二个that
monster怪獸 2016-03-18 20:32:49
1）must be 和ensure在语意上出现重复 2）were established 表明整句话的时态至少应该是过去时
ypheroin 2016-01-02 16:23:34
must be warned and would evaluate 不平行 ensure 与 must 有重复 and 连接两个宾语从句，要有两个that
lillian4cat 2014-09-05 00:29:58
must be和ensure有语意上的重复;and后面缺少宾语从句引导词that;must与后面的would不平行。
lillian4cat 2014-08-27 01:34:35
must be和ensure有语意上的重复;and后面缺少宾语从句引导词that;must与后面的would不平行。
