皮皮学，免费搜题
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搜题
【单选题】
玻璃幕墙竖向龙骨的接长需使用?A.
螺栓和连接板固定
B.
焊接连接
C.
芯柱套接
D.
搭接连接
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知识点：
皮皮学刷刷变学霸
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【简答题】烟草花叶病毒是如何传播的?
【单选题】The study at a University of Florida indicated that ______.
A.
people of normal weight enjoyed longer lifespan than obese people
B.
the overweight people at 65 lost more on health-care over the rest of their lives
C.
the overweight people would cost 6~ to 13~ more than normal people
D.
the overweight people paid more health-care insurance than normal people