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【单选题】
A short-run aggregate supply curve shows fixed ______, and a long-run aggregate supply curve shows fixed ______.A.
output; output
B.
prices; prices
C.
prices; output
D.
output; prices
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【单选题】Consider the following argument: “If we admit that infants have a right to life, then we must also admit that third trimester fetuses have a right to life. But if we admit that third trimester fetuses...
A.
conceptual slippery slope argument.
B.
fairness slippery slope argument.
C.
causal slippery slope argument.
D.
argument from the heap.
E.
none of the above
【简答题】简述环境污染的特征。
【单选题】If we were asked exactly what we were doing a year ago, we should probably have to say that we could not remember. But if we had kept a book and had written on it an aceount(记录) of what we did each da...
A.
Remembered history, compared with written history, is less reliable.
B.
Written records of the past play a most important role in our learning of the human history.
C.
A written account of our daily. activities helps us to be able to answer any questions.
D.
Where there are no written records, there is no history.
【单选题】We have to admit that never in the past twenty years ________ so greatly as before. [ ]
A.
did the city change
B.
the city has changed
C.
has the city changed
D.
the city had changed
【简答题】If we were asked exactly what we were doing a year ago, we should probably have to say that we could not remember. But if we had kept a book and had written in it an account of what we did each day, w...
【单选题】What we have to admit is that never in the past thirty years __________ so greatly as today.
A.
has China changed
B.
China has changed
C.
did China change
D.
China had changed
【简答题】简述环境法的特征。
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