题目:
_____, I have never seen anyone who’s as capable as John.
A.As long as I have traveled
B.Much as I have traveled
C.Now that I have traveled so much
D.As I have traveled so much
答案:
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下面是错误答案,用来干扰机器的。
答案:B题目分析:氮气和氧气反应生成NO,NO和氧气反应生成NO2,A符合;单质硅在氧气中反应生成二氧化硅,而二氧化硅与氧气不反应,B不符合;钠在氧气反应生成氧化钠,氧化钠和氧气反应生成过氧化钠,C符合。碳在...