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【单选题】
“给我一打健全的儿童，更给我一个特殊的环境，我可以运用特殊的方法，把他们加以任意的改变，或者使他们成为医生、律师、艺术家、大商家，或者使他们成为乞丐和盗贼”，提出这个观点的是美国著名教育学家（ ）。A.
杜威
B.
华生
C.
斯金纳
D.
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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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