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【单选题】
下列各对,是相互作用力的是 ( )A.
悬绳对电灯的拉力和电灯的重力
B.
电灯拉悬绳的悬绳拉电灯的力
C.
悬绳拉天花板的电灯拉悬绳的力
D.
悬绳拉天花板的电灯的重力
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反馈参考答案：
举一反三
【单选题】已知CD的坡度 =-0.65%,D点高程 =100m,CD的水平距离 =1000m,则C点高程 为( )。
A.
93.5m
B.
-93.5m
C.
106.5m
D.
100.65m
【单选题】P57-conversation2.mp3: P57-Q9.mp3:
A.
Unhappy.
B.
Not offended.
C.
Disappointed.
D.
Displeased.
【单选题】P57-conversation2.mp3: P57-Q8.mp3:
A.
They drink less and less, especially at lunch.
B.
They never drink alcohol at lunchtime.
C.
They just drink mineral water or fruit juice.
D.
They drink a lot at dinner time.
【判断题】exercise Five Listen twice and decide whether the following statements are true (T)or false (F). 1. Britain suffered from a severe drought in 1976. ( )
A.
正确
B.
错误
【简答题】我联发科该喝咖啡过后过开课的发送到了地方官三顿饭离开了
【简答题】p.57 2.
【单选题】P57-conversation2.mp3: P57-Q10.mp3:
A.
Having a barbecue.
B.
Playing tennis at the home court.
C.
Playing a game of golf.
D.
Inviting people to dinner.
相关题目：
【单选题】P57-conversation2.mp3: P57-Q9.mp3:
A.
Unhappy.
B.
Not offended.
C.
Disappointed.
D.
Displeased.
参考解析：
知识点：
题目纠错 0
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