The Environmental Protection Agency frequently puts mandatory controls on toxic substances that present a risk as little as one chance in a million for it to cause cancer.
语法 Sentence Correction-3605
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正确的用户笔记
lkid 2015-10-03 23:24:47
it指代不清楚;risk后面应该跟of doing，而不是to do
yjylain 2015-12-12 16:30:12
risk of doing
秋秋 2015-08-01 10:18:59
to cause不是为了去引起癌症，而是和risk of doing连用，所以to cause搭配不对。it指代不明。
Cwowo 2016-10-23 14:47:37
risk of doing sth it指代有问题 应该用as 形容词+名词 as形式
honeydew 2016-09-28 16:38:42
IT 指代不清楚
moneysharon 2015-08-10 08:53:26
to cause不是为了去引起癌症，而是和risk of doing连用，所以to cause搭配不对。it指代不明。
Deprofundis 2014-07-06 17:04:14
it 无法指代 substances
