问题
选择题
I _______ him not to smoke, but he didn’t think it necessary.
A．persuaded
B．advised
C．hoped
D．suggested
答案
B
从语法角度可以排除hoped 和suggest;persuade 表示“成功地说服”，从后半句可知“并未劝服”。
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I _______ him not to smoke, but he didn’t think it necessary.
A．persuaded
B．advised
C．hoped
D．suggested
B
从语法角度可以排除hoped 和suggest;persuade 表示“成功地说服”，从后半句可知“并未劝服”。
CO2＋H2，达到平衡时，K＝
，K是常数，只与温度有关，与浓度无关。