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【单选题】
Refer to Figure 12-9. Thefirm experiences constant returns to scale at which output levels?A.
output levels less than M
B.
output levels between M and N
C.
output levels greater than N
D.
All of the above are correct as long as the firm is operating in the long run.
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【简答题】脚手架搭设时对接扣件开口应立杆___，横杆___;脚手架各杆件端头伸出扣件盖板边缘的长度不应小于___mm。脚手架扣件螺栓拧紧力矩应在___N•m与65N•m之间。
【单选题】利用某分子筛作催化剂，【图片】可脱除废气中的【图片】和【图片】，生成两种无毒物质，其反应历程如下图所示，下列说法正确的是【图片】
A.
X是
B.
汽车尾气中含有的氮氧化合物是由于汽油燃烧产生的
C.
中含有非极性共价键
D.
上述历程的总反应为：
【简答题】The moon is sma l ler than the earth. It is three hundred and eighty thousand kilometers away from us. In 1969, two Americans got to the moon by spaceship. They found no living things there. And there...
【单选题】According to the J-curve concept, which of the following is false--that the effects of a currency depreciation on the balance of payments are:
A.
Transmitted primarily via the income adjusted mechanism
B.
Likely to be adverse or negative in the short run
C.
In the long run positive, given favorable elasticity conditions
D.
Influenced by offsetting devaluations made by other countries
【单选题】The movie ________ on J. K.Rowling's Harry Porter and the Goblet of Fire was put on in the theaters on Nov.18,2005.
A.
basing
B.
based
C.
being based
D.
to be based
【多选题】《刑法》第l71条第l款前段规定：出售、购买伪造的货币或者明知是伪造的货币而运输，数额较大的，处3年以下有期徒刑或者拘役，并处2万元以上20万元以下罚金。关于本条的理解，下列哪些说法是错误的?
A.
甲在不知情的情况下帮人运输了假币，由于运输假币罪要求行为人明知是假币，所以对甲不应以运输假币罪谢处
B.
乙以2000元人民币购得假币10000元，根据故意犯罪的刑法规定、刑法原理和案情，推定乙明知自己购买的是假币
C.
丙为货车司机，平时运一次货，货主给运费两千元，但某次货主给他1万元运费，并反复嘱托要走小道，逃避检查。丙明知是违禁物品也没有拒绝，后来被查出车上都是假币。由于丙并不知道装的是假币，所以不构成运输假币罪
D.
刑法规定对运输假币罪“并处2万元以上20万元以下罚金”是指可以并处罚金，而非应当并处罚金
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