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【单选题】
一名调皮的学生屡次扰乱课堂,教师请其站到教室后面,教师运用了:A.
负强化
B.
正强化
C.
惩罚
D.
消退
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举一反三
【单选题】On May 12th, many parts of Sichuan were struck by an earthquake, from__________ effects the people are still suffering.
A.
that
B.
whose
C.
those
D.
what
【单选题】According to the passage, all of the following contributed to deforestation EXCEPT
A.
the expansion of agriculture
B.
an increase in forest fires
C.
the use of charcoal as a fuel
D.
steamboat transportation
【单选题】The word “deforestation” in paragraph 3 means
A.
forest damage caused by pollution
B.
moving population from forest to cities
C.
the threat of climate change
D.
cutting large areas of trees
【简答题】Deforestation
【单选题】_________ is logistics systems designed to deliver parts to a production process as they are needed, not before.
A.
Just-In-Time
B.
Agile Manufacturing
C.
Lean Production
D.
Flexible Manufacturing
【单选题】Which of the following is NOT mentioned as a cause for urban deforestation?
A.
Insect pests.
B.
Real estate development.
C.
Lack of fund.
D.
Government reshuffling.
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