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【单选题】
金属板屋面长向搭接的接缝处防水密封材料，其挑出檐口长度应不小于（ ）。A.
600mm
B.
400mm
C.
200mm
D.
100mm
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【简答题】列举现代礼仪的特征。
【简答题】简述现代礼仪的特征。
【简答题】How many human languages are there in the world?
【判断题】Human languages are derived from the natural sounds around and are thus onomatopoeic in nature. [2.1.2]
A.
正确
B.
错误
【判断题】Human languages are qualitatively different from animal communication systems.
A.
正确
B.
错误
【简答题】现代礼仪的特征(4项):
【简答题】So far as we can tell, all human languages are equally complete and perfect as instruments of communication: that is, every language appears to be well equipped as any other 【B1】______ to say the thin...
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