While people may refer to microblogging for uo-to-the-minute information, it is unlikely that microblogging ______ the news paper completely.
A. replace
B. have replaced
C. replacing
D. will replace
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---- When is the lecture supposed to start?---- It ______ now.
A. is about start
B. is about starting
C. is about to start
D. has about to start
If you ______ tennis this afternoon, you'd better have your shoes cleaned.
A. will play
B. would play
C. are going to play
D. are playing
翻译”I‘msorrytotellyouthatyourflighthasbeendelayedowingtomechanicaldifficulties.”
A. 非常抱歉的告诉您,您的航班由于天气的原因被延误了.
B. 非常抱歉的告诉您,您的航班由于商务的原因被延误了.
C. 非常抱歉的告诉您,您的航班由于航班的调配的原因被延误了.
D. 非常抱歉的告诉您,您的航班由于机械故障被延误了.
下列哪种理化性质与可待因符合
A. 与三氯化铁试液作用显蓝色
B. 与吡啶硫酸铜试液反应显紫色
C. 与甲醛硫酸试液作用显紫红色
D. 与茚三酮试液反应显紫色
E. 略溶于水,水溶液呈弱酸性
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