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【單選題】
一質量為m的人站在電梯中，電梯加速上升，加速度的大小為g/3,g為。人對電梯底部的壓力為
A.
mg/3
B.
2mg
C.
mg
D.
4mg/3
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舉報參考答案：
舉一反三
【單選題】What will the Walt Disney Company do from 2015?
A.
Produce more and better cartoons for young kids.
B.
Stop broadcasting advertisements for junk food on TV.
C.
Help kids develop healthy lifestyle in the program.
D.
Provide healthier food for kids while they are watching programs.
【單選題】How did the farmer advertise his puppies?
A.
Advertise them in the newspaper.
B.
Put up a sign in his yard.
C.
Show them to his neighbors.
D.
Send pictures to a magazine.
【單選題】If you are interested in religion, you should visit _____.
A.
http://whc.unesco.org/en/list/148
B.
http://whc.unesco.org/en/list/365
C.
http://whc.unesco.org/en/list/487
D.
http://whc.unesco.org/en/list/637
【單選題】Why did the boy choose the last dog?
A.
Because they have something in common.
B.
Because he didn't have enough money.
C.
Because it was the most lovely one.
D.
Because the farmer wouldn't sell other dogs.
【單選題】The underlined words “four little balls of fur” refer to “_________”.
A.
four toy balls
B.
four balls made of fur
C.
four lovely dogs
D.
four puppies with no fur
相關題目：
【單選題】What will the Walt Disney Company do from 2015?
A.
Produce more and better cartoons for young kids.
B.
Stop broadcasting advertisements for junk food on TV.
C.
Help kids develop healthy lifestyle in the program.
D.
Provide healthier food for kids while they are watching programs.
【單選題】How did the farmer advertise his puppies?
A.
Advertise them in the newspaper.
B.
Put up a sign in his yard.
C.
Show them to his neighbors.
D.
Send pictures to a magazine.
【單選題】If you are interested in religion, you should visit _____.
A.
http://whc.unesco.org/en/list/148
B.
http://whc.unesco.org/en/list/365
C.
http://whc.unesco.org/en/list/487
D.
http://whc.unesco.org/en/list/637
【單選題】Why did the boy choose the last dog?
A.
Because they have something in common.
B.
Because he didn't have enough money.
C.
Because it was the most lovely one.
D.
Because the farmer wouldn't sell other dogs.
【單選題】The underlined words “four little balls of fur” refer to “_________”.
A.
four toy balls
B.
four balls made of fur
C.
four lovely dogs
D.
four puppies with no fur
參考解析：
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