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【简答题】
听力 1. What’s the weather like now? A. Hot. B. Cold. C. Warm. 2. What is the woman doing? A. She is doing her homework. B. She is watching TV. C. She is playing the piano. 3. What will the man do this afternoon? A. Go to have classes. B. Go shopping with the woman. C. Go to see a movie with the woman. 4. Where does the conversation probably take place? A. In a park. B. On the street. C. In a store. 5. What does the woman mean? A. The man should return the book in a week. B. The man doesn’t have to return the book. C. The man can keep the book for two weeks.
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【单选题】(单选题)世界卫生组织推荐5-17岁儿童、青少年每天应累积参加中等到大强度的体力活动时间为
A.
20min
B.
120min
C.
60min
D.
80min
E.
160min
【单选题】火花塞绝缘体裙部温度低于自洁温度会导致
A.
形成积碳
B.
点火过早
C.
点火过迟
D.
无影响
【单选题】世界卫生组织推荐5-17岁儿童、青少年每天应累积参加中等到大强度的体力活动时间为()。
A.
20min
B.
120min
C.
60min
D.
80min
E.
160min
【判断题】当多个图元同时在图形窗口中显示时,可以通过打开某种图元类型编号来区分它们,这些图元以不同的标号和颜色显示。
A.
正确
B.
错误
【判断题】涂复装置的挤出机机身温度设置过低,会导致熔体流动性差,挤出时出现熔膜严重破裂。
A.
正确
B.
错误
【判断题】冷凝器出液阀未开会导致制冷机机体温度过低。
A.
正确
B.
错误
【单选题】在冷环境中进行锻炼达 会导致身体热量过度散发超过机体对体温的调节控制能力,引起过低体温。( )
A.
1-2小时
B.
1-3小时
C.
1-4小时
D.
1-5小时
【单选题】Where did the explosion take place?
A.
In a super market
B.
In an animal market
C.
In a stock market.
【单选题】Place names used on board ships should be those ______.
A.
specified by international authorities
B.
specified by national authorities
C.
on standard map
D.
on the chart or Sailing Directions in use
【单选题】火花塞温度过低会导致绝缘体容易积碳,可能引起 ( )。
A.
缺火
B.
早燃
C.
爆震
D.
腐蚀
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