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【单选题】
能将旋转运动转变为直线往复移动,而不能将直线往复移动变成旋转运动的机构是A.
曲柄滑块机构
B.
齿轮齿条传动机构
C.
带传动机构
D.
螺旋传动
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反馈参考答案：
举一反三
【简答题】Lobster
【判断题】“May I have the honor to invite you to be my guest at today’s banquet.” is an informal expression to invite friends to dinner.
A.
正确
B.
错误
【简答题】女，47岁，颈后、肩部弥漫性皮肤发硬。发病突然，2个月前曾有咽炎、扁桃腺炎伴发热。体检：颈后、肩部、胸、背及上臂呈对称性皮肤发硬，压之无凹陷，受累皮肤无、色素改变及毳毛脱落。实验室检查：抗“O”升高，抗核抗体阴性。皮肤组织病理：表皮正常，真皮增厚明显，汗腺、皮脂腺正常。应诊断为A、弥漫性硬皮病 B、皮肌炎 C、肾功能不全 D、硬肿病 E、心源性水肿 该患者的预后A、完全消退的可能性很小 B、往往是...
【判断题】“May I have the honor to invite you to be my guest at today’s banquet.” is an informal expression to invite friends to dinner.
A.
正确
B.
错误
【单选题】—May I have the honor of dancing with you? —______________________________.
A.
With pleasure
B.
Good idea
C.
It’s kind of you
【单选题】By using the analogy of 'throwing a lobster into a pot', the author tries to imply that______.
A.
some managers are really foolish people
B.
it's cruel to cook lobsters
C.
people are tend to become complacent
D.
bad environment calls for immediate action
【单选题】According to the passage, what happened to people who went to Alaska?
A.
They eventually became millionaires.
B.
They brought with them with many shoes.
C.
They had conflicts with the Eskimos.
D.
They were not properly equipped.
【简答题】lobster tail
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