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【判断题】
使用机用虎钳装夹工件,铣削过程中应使铣削力指向活动钳口。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Corrective taxes differ from most taxes in that correctivetaxes
A.
enhance economic efficiency, and is also known as a Pigovian tax
B.
do not raise revenue for the government.
C.
cause deadweight loss.
D.
cannot be divided between the buyer and seller.
【单选题】Most economists prefer corrective taxes to regulation tocorrect the pollution problem because:
A.
the market-based solution is less costly to society.
B.
the market-based solution can result in a greater reduction in pollution.
C.
the market-based solution raises revenue for the government.
D.
all of the above.
【简答题】大约在五千年前左右，古埃及人创造了历史上第一支＿＿＿。
【单选题】关于子宫韧带的解剖,正确的是
A.
圆韧带起于子宫角，上于腹股沟
B.
阔韧带富于肌纤维，与子宫体肌纤维相连
C.
卵巢固有韧带使子宫倾向后方
D.
主韧带横行于宫颈两侧与骨盆侧壁之间
【单选题】Most taxes distort incentives and move the allocation ofresources away from the social optimum. Why do corrective taxes avoid thedisadvantages of most other taxes?
A.
Corrective taxes apply only to goods that are bad for people's health, such as cigarettes and alcoh
B.
Because corrective taxes correct for market externalities.
C.
Corrective taxes provide incentives for the conservation of natural resources.
D.
Corrective taxes do not affect deadweight loss.
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