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【单选题】
If taxes are raised, but the Fed prevents income from falling by raising the money supply, then:A.
both consumption and investment remain unchanged
B.
consumption rises but investment falls.
C.
investment rises but consumption falls.
D.
both consumption and investment fall.
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【简答题】什么是成本还原,为什么要进行成本还原?
【单选题】How do you spell pen? ________. [ ]
A.
This is a pen
B.
It's a pen
C.
P- E- N
D.
Yes. P- E- N
【简答题】什么是成本还原？为什么要进行成本还原？
【单选题】绒癌的临床表现
A.
少量接触性出血，经间期或绝经后间断性出血
B.
流产，足月产后，异位妊娠后持续阴道流血，HCG值持续高于正常
C.
月经量增多，经期延长
D.
阴道排液为黄水样
E.
阴道排液呈白色，酸臭味
【单选题】In the first sentence, 'to become commercially available' means ______.
A.
this procedure is available only on the market
B.
this procedure can be used in producing better farm animals
C.
This procedure can be used to promote business
D.
People such as farmers can use this procedure in their production
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