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【多选题】
下列导致现有设备贬值的情形中，属于设备无形磨损的有A.
设备连续使用导致零部件磨损
B.
设备长期闲置导致金属件锈蚀
C.
同类设备的再生产价值降低
D.
性能更好、耗费更低的代替设备出现
E.
设备使用年限过长引起橡胶老化
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反馈参考答案：
举一反三
【单选题】Which of the following is true of Earl Millers research?
A.
It discovers neuroplasticity.
B.
It is the first study of this kind.
C.
It studies one environmental feedback.
D.
It attests to one cause of neuroplasticity.
【单选题】The woman ____________all of her money to charities to help the poor.
A.
gave in
B.
gave up
C.
gave away
【简答题】The Millers are busy.--> The Millers se_____ busy.
【单选题】The teacher ______ the papers and the test began. [ ]
A.
gave in
B.
gave away
C.
gave out
D.
gave up
【单选题】The two boys fought and fought until one_____________.
A.
gave up
B.
gave in
C.
gave away D gave off
【简答题】直接写得数。 49-40= 5×4= 32-12= 5×6= 30+9= 4×6= 6×3= 35+4=
【单选题】What is true about Earl Millers research?
A.
It discovers neuroplasticity.
B.
It is the first study of this kind.
C.
It studies one environmental feedback.
D.
It attests to one cause of neuroplasticity.
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