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举一反三
【单选题】下列贬值属于功能性贬值的是（）。
A.
由于大量产品积压，某车间由有三班倒改为两班造成的开工不足
B.
由于设备生产厂家采用新技术，使某厂使用的车床相对物耗上升了20%
C.
由于市场疲软，某车间的10台机床，只有6台使用，造成4台闲置
D.
由于原材料紧俏，某厂处于半停产状态，造成设备闲置
【单选题】Passage Two:Questions 26 to 30 are based on the following passage.If you want to stay young, sit down and have a good think. This is the research finding of a team of Japanese doctors, who say that mo...
A.
why certain people age sooner than others
B.
how to make people live longer
C.
the size of certain people’s brains
D.
which people are most intelligent