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【单选题】
下面关于药物制剂稳定性实验方法的叙述中，哪一条是错误的
A.
留样观察法的特点是能反应实际情况，方法简便、易行，但费时，不易及时发现、纠正出现的问题
B.
加速试验即在较高湿度、较高温度与强光条件下进行试验，以预测药物在自然条件下的稳定性
C.
带包装湿度加速试验是指取带包装试品置于相对湿度70％～80％的密闭容器中，在25℃条件下放置3个月，观察包装情况，并按规定对有关项目进行检测
D.
加速试验包括以下三个方面：①温度加速试验；②湿度加速试验；③光加速试验
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【单选题】A firm has the long run cost function C(Q) = 5Q 2 + 245. In the long run, it will supply a positive amount of output, so long as the price is greater than:
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140
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148
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【单选题】In a monopoly in the long run:
A.
economic profits will be eliminated by the entry of rival firms.
B.
economic profits will be reduced but not eliminated by the entry of rival firms.
C.
entry by other firms will not occur.
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16
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24
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【单选题】In the long run
A.
all inputs are fixed
B.
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C.
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D.
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【单选题】As used in the last sentence, the phrase 'in short' means ______.
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B.
in detail
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【单选题】A firm has the long run cost function C(Q) = 7Q 2 + 252. In the long run, it will supply a positive amount of output, so long as the price is greater than:
A.
168
B.
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【单选题】Every time Ashtita tries to break a record, he reaches a point ______ he feels he cannot physically do any more．
A.
where
B.
that
C.
when
D.
which
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【单选题】A firm has the long run cost function C(Q) = 5Q 2 + 245. In the long run, it will supply a positive amount of output, so long as the price is greater than:
A.
140
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C.
35
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70
E.
75
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【单选题】In a monopoly in the long run:
A.
economic profits will be eliminated by the entry of rival firms.
B.
economic profits will be reduced but not eliminated by the entry of rival firms.
C.
entry by other firms will not occur.
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【判断题】传统的胶片照相机有快门转盘标记常见的有1、2、4、8、15等。
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【单选题】A firm has the long run cost function C(q)=4q 2 + 4. In the long run, it will supply a positive amount of output, so long as the price is greater than:
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16
B.
24
C.
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【单选题】In the long run
A.
all inputs are fixed
B.
a firm is making the optimal input choice when the marginal rate of technical substitution is equal to the input price ratio
C.
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D.
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查看完整题目与答案
【单选题】As used in the last sentence, the phrase 'in short' means ______.
A.
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B.
in detail
C.
in fact
D.
in a word
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【判断题】行政诉讼中,被告无反诉权
A.
正确
B.
错误
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【单选题】A firm has the long run cost function C(Q) = 7Q 2 + 252. In the long run, it will supply a positive amount of output, so long as the price is greater than:
A.
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C.
42
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84
E.
89
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