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【单选题】
对于粘性土和砂性土相间路堑边坡，当工程地质和水文地质条件较差时，或边坡高度超过15m~20m，则宜采用（）形边坡。A.
直线形；
B.
折线形，上缓下陡；
C.
折线形，上陡下缓；
D.
台阶形
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反馈参考答案：
举一反三
【单选题】What is the main reason that the man go through all the trouble of getting the tickets?
A.
His friend at the sponsor headquarter can get the tickets.
B.
The pre-sale tickets for the movie were sold out.
C.
He is really looking forward to watching Star Wars on the opening day.
D.
The woman wants to watch the movie opening very much.
【单选题】According to the woman, what is the problem that the man is having?
A.
He imagined them.
B.
He used magazine covers.
C.
He hired models.
D.
He read stories.
【判断题】演讲就是对公众发表的讲话。演讲者在特定的语境中,借助有声语言为主、态势语言为辅的艺术手段,面对广大听众发表意见抒发情感,从而达到感召听众,并使其行动的一种现实的信息交流活动。可见,演讲的最终目的,是要通过发表意见来影响、说服、感染他人。
A.
正确
B.
错误
【简答题】肺之“门户”是
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