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【单选题】
If the real wage rate is such that the quantity of labor supplied by workers is less than the quantity of labor demanded by firms,A.
the economy is at full employment.
B.
there is a shortage of labor.
C.
the real wage rate will fall to restore equilibrium.
D.
actual real GDP equals potential GDP because firms make the decision about how many workers to hire.
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【简答题】Watch the TED lecture- Why Should You Talk to Strangers •Answer the questions : (1).Do you think whether greeting the strangers is meaningless? (2).How did the old man’s saying make the speaker feel? ...
【简答题】Why do we eat Yuanxiao today?
【多选题】以下说法正确的是()
A.
电容器是一种能储存电荷或者说储存电场能量的元件；
B.
电容的元件特性是电路物理量电荷q和电压u的代数关系；
C.
电容元件有隔直的作用；
D.
非理想电容器的模型组成部分只有电容元件。
【单选题】— Do you have ______ ready for the opening ceremony, Ted? — No, we still need some volunteers. [ ]
A.
everything
B.
something
C.
anything
D.
nothing
【单选题】Why do English people talk so often about the weather when they start a talk? — Because the weather is a(n) ________ topic (话题).
A.
safe
B.
serious
C.
awful
D.
exciting
【单选题】Ted is such a helpful colleague that he is willing to do, ________， any favour we might ask him.
A.
without question
B.
in addition
C.
as a result
D.
on the contrary
【单选题】—Do you have ready for the graduation ceremony，Ted? —No，we still have to find a famous speaker.
A.
everything
B.
something
C.
anything
D.
nothing
【多选题】下列说法正确的是＿＿。
A.
电容器是一种能储存电荷或者说储存电场能量的元件
B.
电容的元件特性是电路物理量电荷q和电压u的代数关系
C.
电容元件有隔直通交的作用
D.
非理想电容器的模型组成部分只有电容元件
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