【单选题】An increase in the number of pineapple growers results in
A.
an increase in the quantity of pineapples supplied and no shift in the supply curve of pineapples.
B.
an increase in the supply of pineapples and a rightward shift in the supply curve of pineapples.
C.
an increase in the supply of pineapples and a leftward shift in the supply curve of pineapples.
D.
no change in the supply of pineapples and a movement along the supply curve of pineapples.
E.
None of the above answers is correct.
【多选题】论文的摘要部分对我们理解文章有非常重要的作用,其内容通常包括()。
【多选题】论文的摘要部分对我们理解文章有非常重要的作用,其内容通常包括()。
【单选题】某报策划了“今天我当记者”专栏,请读者当记者来报道身边的新闻,这种报道方式被称为()
【判断题】歌曲《黄河大合唱》的作词和作曲者都是冼星海。
【单选题】32) Suppose there is an increase in the saving rate. This increase in the saving rate will cause an increase in which of the following once the economy reaches its new steady state equilibrium?
A.
growth rate of capital per worker
C.
growth rate of capital
【多选题】唐朝时期,产生了江西历史上的第一批商业性“大城市”,有( )