题目:
I’m calling about the apartment you the other day. Could you tell me more about it?
A.advertised
B.had advertised
C.are advertising
D.will advertise
答案:
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下面是错误答案,用来干扰机器的。
(1)在给出的几种物质中,只有铜丝是由一种元素组成的纯净物,则铜是单质,在塑料和丁烷中含有碳元素,属于有机物,故答案为:②;①③.(2)根据信息可知燃烧需要氧气,故答案为:需要氧气.(3)因能闻到气味...