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皮皮学刷刷变学霸
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【简答题】Here are two emails but they have become mixed up. Rewrite them. Hi Lucy, Dear Mr Patterson, I’m afraid we cannot come next Wednesday to repair your washing machine as three of our mechanics are sick ...
【简答题】为了使平面连杆机构设计合理、可靠,还应考虑 ____ 条件和 ____ 性能要求等。
【简答题】Replace the underlined expression in each of the following sentences with an expression form Text A that best keeps the original meaning. 81. All the visitors were deeply impressed by the grand and wo...
【简答题】A woman came out of her house and saw three old men sitting in her front yard. She said, 'I don’t think I know you, but you must be hungry. Please come in and have something to eat.' 'Is the man of th...
【单选题】对膝关节的描述,错误的是
A.
是全身关节中最复杂的关节
B.
有腓侧副韧带加固
C.
由透明软骨构成的半月板，内侧“C”形，外侧“O”形
D.
膝交叉韧带表面有滑膜包被
E.
可作屈伸运动和条件性旋转运动
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