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【简答题】
黄瓜的花芽分化有何特点？如调节控制？
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举一反三
【单选题】In the circular-flow diagram,
A.
income from factors of production flows from firms to households.
B.
goods and services flow from households to firms.
C.
factors of production flow from firms to households.
D.
spending on goods and services flow from firms to households.
【单选题】Put the book ______ it should be when you’ve finished reading it.
A.
how
B.
which
C.
where
D.
who
【单选题】The two flows represented in the circular-flow diagram are:
A.
. the flow of goods and services and the flow of factors.
B.
. the flow of households and firms.
C.
. the flow of money and the flow of goods and services.
D.
. the flow of factors and the flow of money.
【简答题】背《将进酒》,底下录音上传。唱歌也行,歌声录音上传。
【简答题】Consider incompressible flow in the entrance of a circular tube, as in Fig. 6-39. The inlet flow is uniform, u 1 =U o . The flow at section 2 is developed pipe flow. Find the wall drag force F as a fu...
【单选题】Among the characteristics of the circular flow in a market economy is:
A.
firms sell goods and services in the product market.
B.
households spend earnings from resource sales on goods and services in the product market.
C.
firms hire resources sold by households in the factor market.
D.
all of these are characteristic of the circular flow in a market economy.
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