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【单选题】
所有特征需要什么类型面?A.
WCS面
B.
绝对坐标系面
C.
安放面
D.
构造面
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】关于CA6140卧式车床的说法中，错误的是（）。
A.
主轴箱将主电机的旋转运动变换成主轴多种不同转速的正、反向旋转运动
B.
进给箱将主轴的旋转运动变换成尾架多种不同转速的运动
C.
丝杠和光杠将进给箱的运动传递给溜板箱
D.
溜板箱将光杠和丝杠的旋转运动变换成刀架的直线运动
【多选题】Part III Cloze(1.5*10=15 points) Read the following two passages and fill in the blanks with the given words. 阅读下列文章,在空白处填上合适词汇的选项。 Section A
A.
worried
B.
whether
C.
troubles
D.
number
E.
health Now more and more people in the world are getting fatter, which ___41____ them a lot. In the past 25 years, the ___42____ of the people with obesity( 肥胖 ) in America has doubled. Experts say that it has a lot to do with our eating habits. Our eating habits are very important for good __43___ and a strong body. It’s important for us to eat our meal at the same time each day. When we feel ___44___ or excited, we may not want to eat. A long time ago, in England, some judges often decided ___45___ a man was telling the truth by giving him some dry bread. If the man could not swallow the bread, it meant the he wasn’t telling the truth. A man who is worrying about something has difficulty in swallowing anything dry, because he loses his appetite (食欲) .
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