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【单选题】
悬臂梁的尺寸及载荷如图所示。它的约束反力为A.
；
B.
；
C.
。
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反馈参考答案：
举一反三
【简答题】接近,使用,进入
【简答题】入口,通道;进入,接近,使用
【简答题】Do not look away. Just________on your homework.
【单选题】听力原文： Exchange a glance with someone, then look away. Do you realize that you have made a statement? Hold the glance for a second longer, and you have made a different statement. Hold it for 3 seconds...
A.
Every glance has its significance.
B.
A glance conveys more meaning than words.
C.
A gaze longer than 3 seconds is unacceptable.
D.
Staring at a person is an expression of interest.
【单选题】—Jenny, please ______ your little sister when I am away. —OK, Mom. [ ]
A.
look at
B.
look for
C.
look after
D.
look like
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