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【判断题】
角位移器还可使用光电编码器,有增量式和绝对式两种形式。其中绝对式在机器人控制系统中得到了广泛的应用。A.
正确
B.
错误
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举一反三
【单选题】In the context of this passage, 'secondhand smoke' means______.
A.
smoking bad-quality cigars
B.
smoking very cheap cigars
C.
being near cigar smokers when they are not smoking
D.
being near cigar smokers when they are smoking
【单选题】What is the estimated number of adults killed by secondhand smoke each year in the United States?
A.
40,000.
B.
50,000.
C.
430.
D.
15,000.00
【单选题】In the context of this passage， 'secondhand smoke' may mean __________. 查看材料
A.
smoking bad-quality cigars
B.
smoking very cheap cigars
C.
being near cigar smokers when they are not smoking
D.
being near cigar smokers when they are smoking
【单选题】How has the condition of secondhand smoke exposure improved in China?
A.
One death is caused by tobacco every 30 seconds in China.
B.
Public support for smoke-free environmental policies has decreased.
C.
The rate of secondhand smoke exposure among non-smokers has decreased.
D.
The smoking rate of Chinese people aged 15 and above has increased.
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