In an effort to reduce the number of fires started by cigarettes, a major tobacco company is test-marketing a cigarette using thin layers of extra paper in decreasing the amount of oxygen entering the cigarette, which slows the rate at which it burns and lowering the heat it generates.
语法 Sentence Correction-1895
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正确的用户笔记
lanyuer 2015-09-13 17:50:54
不可妄自去掉句中的因果关系
jandrea 2016-11-26 14:47:35
错误因为which指代的是cigarette但是，是extra paper slows的rate不是cigarette。删
Jessicajy 2015-06-23 11:24:07
做这道题的关键点在于找准use的形态，这里用using，动名词紧邻着名词cigarette修饰cigarette，表示动作是由cigarette发出的，而从逻辑意思上 use应该是人发出的一个动作，所以排除
qiyeran346 2014-10-03 18:28:09
to decrease which...
