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【单选题】
已知曲线 在点 处的切线平行于 ,则 ( )A.
1
B.
-1
C.
2
D.
-2
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The imperfect capital market justification for infant industry promotion _________________.
A.
assumes that new industries will tend to have low profits.
B.
assumes that infant industries will soon mature.
C.
assumes that infant industries will be in products of comparative advantage.
D.
assumes that banks can allocate resources efficiently.
【简答题】一些豆科植物能将空气中的氮气转化为能被农作物吸收的氮的化合物，其反应可以看作是氮气、碳、水在根瘤菌的催化作用下生成了氨气和二氧化碳．试写出该反应的化学方程式：______．
【简答题】infant industry ( )
【简答题】infant industry
【单选题】Infant industry argument advocates that new industries in developing countries must be _________ protected from international competition to help them reach a position where they can compete on world ...
A.
temporarily
B.
permanently
C.
partially
D.
completely
【简答题】实验室要用98%（密度为1.84g?cm -3 ）的硫酸配制3.68mol/L的硫酸500mL．实验步骤如下： ①计算所用浓硫酸的体积 ②量取一定体积的浓硫酸 ③溶解 ④转移、洗涤 ⑤定容、摇匀 回答下列问题 （1）需准确量取98%的硫酸______mL．量取浓硫酸所用的量筒的规格是______ （从下列中选用 A.10ml B.20ml C....
【简答题】幼稚工业论(infant industry argument)
【单选题】A problem encounteredwhen implementing an "infant industry" tariff is that
A.
domestic consumerswill purchase the foreign good regardless of the tariff.
B.
the industry may never "mature"
C.
most industries require tariff protection when they are mature.
D.
the tariff may hurtthe industry's domestic sales.
E.
None of the above.
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