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【简答题】
齿轮传动的最主要优点是能保证恒定的 ( _______) ;开式齿轮传动的主要失效形式是 ( _______) 。
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
【简答题】Conversation 2 8. 8-9-10.mp3: A) By ship. B) By train. C) By plane. D) By bus.
【单选题】Conversation 2 10. section B-10.mp3:
A.
By 7:00.
B.
By 8:00.
C.
By 9:00.
D.
By 10:00.
【单选题】Conversation 2 8. sectionB-8.mp3:
A.
How he can get to the Great Wall.
B.
When the Great Wall was built.
C.
Which tour group he should join.
D.
How far away the Great Wall is.
【简答题】简述自动扶梯的工作原理。
【单选题】Conversation 2 8-10.mp3: 8.
A.
To try something more challenging.
B.
To get a better chance for promotion.
C.
To have a much higher salary.
D.
To have more work experience.
【单选题】加强各级领导班子建设,培养选拔党和人民需要的好干部,培养和造就千百万社会主义事业接班人,从组织上保证党的基本理论、基本路线、()的贯彻落实。
A.
基本经验
B.
基本方略
C.
基本政策
【单选题】Conversation 2 8. section B-8.mp3:
A.
At a hotel.
B.
At the airport.
C.
In a restaurant.
D.
In a bank.
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