听力:What did ancient Chinese use kites to do? Q: What did ancient Chinese use kites to do? A.Carry ropes across rivers. B.Measure the speed of wind. C.Pass on secret messages. D.Give warnings of danger.
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皮皮学刷刷变学霸
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【简答题】按件托运的零担货物,单件体积一般不得小于0.01立方米(单件重量超过10千克者除外),不得大于( )立方米。A. A.1.0 B. B.1.2 C. D.1.5 D. D.2.0