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【简答题】
场景 某城市桥梁工程，在施工前期，施工单位确定了施工顺序后编制了施工进度计划和设计了施工平面图。 在钻孔灌注桩的施工过程中，采用反循环回转钻孔原理，某天的施工过程中发生了扩孔事故，施工单位及时采取补救措施，未造成更大的损失。 根据场景，回答下列 47～50 问题： 第 47 题 下列选项中属于钻孔灌注桩的方法中反循环回转钻适用土层的是（ ）。
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【简答题】C Have you noticed that the majority of human beings seem to focus on the negative? Bad news is often seen in the newspapers, television shows and magazines, but good news are often overlooked. I saw ...
【单选题】听力原文：W: Everyone seems to be on a diet. Have you noticed that? M: Yes, a neighbor of mine is on a banana diet. She eats one banana for breakfast, one for lunch, and two for dinner, yet she doesn't loo...
A.
Her diet is not effective.
B.
She has lost much weight.
C.
Her favorite food is banana.
D.
She has neither gained nor lost weight.
【单选题】— Have you noticed some people _____ to check the exact signature before sending a text message? — It happens. [ ]
A.
bother
B.
didn't bother
C.
don't bother
D.
are bother
【单选题】Have you noticed how he never looks ______ at you?
A.
direct
B.
directly
C.
indirect
D.
direction
【简答题】常用的字符串处理函数,其头文件名是
【简答题】变频器是把 频率的交流电变成 频率的交流电。
【单选题】Have you noticed the problem ___ he is now in low spirit ? ____ come?
A.
where, What
B.
that, How
C.
in which, For
D.
what, As
【单选题】—Have you noticed the _____ fish there? How long have they _____? —They _____ several days ago. [ ]
A.
dead, been dead, died
B.
dying, died, died
C.
death, been dead, died
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