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【多选题】
（多选）关于商品价值量正确说法有（ ）。A.
商品价值量是生产者生产商品花费的劳动时间决定的
B.
商品价值量是社会必要劳动时间决定的
C.
商品价值量一旦确定就不会变动
D.
商品价值量与劳动生产率成反比
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【简答题】阅读理解。 My name is Chen Lan. My home is in Gulangyu. Do you know Gulangyu? It is in Xiamen. It is near the sea (海). Gulangyu is a small place, but it is very nice and clean. There are no cars, no buses ...
【单选题】—My home is in that tall building over there. — ?A．Can it seeB．Can see itC．Can be seen itD．C
A.
19.—My home is in that tall building over there. —____ ? A．Can it see
B.
Can see it
C.
Can be seen it
D.
Can it be seen
【单选题】用万用表测得NPN型晶体三极管各电极对地的电位是:VBE= 4.7V,VC=4.3V,VE=4.5V,则该晶体三极管的工作状态是()。
A.
饱和
B.
放大
C.
截止
D.
开关
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【简答题】My name is Chen Lan. My home is in Gulangyu. Do you know it? It is in Xiamen. It is near the sea(海). Gulangyu is a small place，but it is very nice and clean. There are no cars，no buses. People only wa...
【简答题】My name is Chen Lan. My home is in Gulangyu. It is in Xiamen. It is near the sea. Gulangyu is a small place, but it is very nice and clean. There are no cars, no buses or no bikes. People only walk. S...
【单选题】- My home is in that tall building over there. - __________ ?
A.
Can it see
B.
Can see it
C.
Can be seen it
D.
Can it be seen
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