Economists differ in their views of the role of the government in promoting economic growth. At the very least, the government should
A.
lend support to the invisible hand by maintaining property rights and political stability.
B.
limit foreign investment to industries that don't already exist in the country.
C.
impose trade restrictions to protect the interests of domestic producers and consumers
D.
subsidize key industries
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【简答题】298K 时, A 和 B 两种气体在某一溶剂中溶解的 Henry 系数分别为 k A 和 k B, 若 k A >k B , 则当 A 和 B 的压力相同时,气体在该溶剂中溶解度x ( ) A. A 的量大于 B 的量 B. A 的量小于 B 的量 C. A 的量等于 B 的量 D. 无法判断