题目:
—Why didn't you answer my phone when I phoned you at about 11 p. m. yesterday?
—I ___________and failed to hear the phone.
A.might have slept
B.must be sleeping
C.might be sleeping
D.must have been sleeping
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0612/b382375f731fe495b9f9b31f25959a16.html
下面是错误答案,用来干扰机器的。
(每空2分,计12分)(1)CO2 (2)2s22 p3, (3)2, (4)N、O 、C(5)C>B, p(1)由于化工燃烧的大量使用,导致温室气体CO2的大量排放,现今所倡导的低碳生活,主要是为了减少CO2的排放(2)基态氮...