题目内容
表面粗糙度数值越小越好。（）
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表面粗糙度值越大，越有利于零件耐磨性和抗腐蚀性的提高。（ ）
表面结构粗糙度是微观的形状误差，所以对零件使用性能影响不大。（ ）
Fill in the blanks in the following sentences with the words given in the box. Change the form where necessary.focus entertainment engage wander check outconsciously brainy proof work on turn out1) Do you have any _____ that I cheated at the exam?2) Their experiment finally _________ to be a failure.3) College students should be _________ of the importance of living independently.4) My speech today _______ on how to get on well with new roommates.5) He often eats fish because he wants to be _____.6) It is not good for college students not to ______ in physical exercise.7) Xiao Li is _________ improving his English and math.8) The villagers _________ the visitors with local fruits.9) A student shouldn’t let his or her mind ______ when attending a class.10) If you can’t access the Net, please ________ the links.
（）类可以快速创建一个带有成功样式的按钮。
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