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标注尺寸时，可以形成封闭的尺寸链。
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表面粗糙度数值越大，零件的表面越光滑。
Listen carefully and answer thefollowing multiple-choice questions based on the interview.1)The following aspects of Mexican culture are difficult for the interviewee to adapt to，except_________.A.classismB.living in big familiesC.shaking hands with peopleD.not giving your back to anybody when you say goodbye at a party2) According to the interviewee, Mexicans are_________.A. humorousB. carefreeC. casualD. awkward3) Fromtheinterviewee’sperspective，Mexicans are similar to Chinese except that____________________.A. they would really appreciate it if you learn to say just a few words in theirlanguageB. they respect the elderlyC. they use hand gestures a lotD. they will make a lot of personal remarks about your body if they’re friends with you4) What does the interviewee suggest Chinese people should pay special attention to when communicating with Mexicans?A. Using a lot of hand gestures when talking with them.B. Accepting gifts instead of refusing them.C. Inviting them home for coffee.D. Learning to speak Spanish.
以下不是海洋生物新药制剂类型的选择依据的是（ ）。
以下不属于海洋生物新药药理学的评价要求的是（ ）。
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