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【简答题】
(16) (通道中的细杆) 要运送一根细杆子通过由宽125px和宽250px的通道垂直交叉口,在运送过程中必须保持杆子是水平的(如图4.6),问这根细杆至多可有多长?又通道为形的且细杆不必保持水平,细杆至多可有多长?
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举一反三
【简答题】He decided to follow __________ the business first.
【简答题】央行宣布，下半年将实施()的货币政策，把好货币供给总闸门，保持流动性合理充裕。 A.积极 B.平稳 C.消极 D.稳健
【判断题】总体来说，海关发票中的内容不必与商业发票或其他单据相一致。它的内容主要有商品的价值(VALUE)和商品的产地(ORIGIN OF GOODS)。( )
A.
正确
B.
错误
【简答题】A Frenchman went to a small Italian town and was staying with his wife at the best hotel there. One night, he went out for a walk alone. It was late and the small street was dark and quiet. Suddenly h...
【单选题】He decided on _____ chicken and vegetables, with apple pie to follow.
A.
barbecue
B.
roast
C.
toast
D.
boast
【简答题】The author decided to follow Michael’s example and believed that if he chose to be an optimist he might , and might have more .
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