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【单选题】
隧道内高净空地带采用了吊柱悬挂，请问对吊柱的要求是（）A.
与水平面垂直
B.
与钢轨垂直
C.
与隧道顶部垂直
D.
以上均可
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反馈参考答案：
举一反三
【判断题】When an insurance policy is made out to cover a certain risk, a claim becomes payable only if that risk occurred as the proximate cause of the loss suffered.()
A.
正确
B.
错误
【单选题】They made a claim on us for the damage.A. comminication B. discount C. reference D. claim
A.
communication
B.
discount
C.
reference
D.
claim
【简答题】万寿菊栽培容易,对土壤、肥水要求__。但花期长,后期植株易倒伏,应注意__。
【简答题】比较下列函数值的大小(填">"或“<”): ,
【简答题】It is illegal for manufacturers to give their product a misleading name，or to claim that it is made of a particular ingredient which in fact ______ only a very small proportion of the product． 制造商们把他们...
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