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【单选题】
在一封闭容器内有一定质量的理想气体。（1）当温度升高到原来的二倍时，则压强增大到原来的四倍；（2）当分子热运动的平均速率提高到原来的二倍时，则气体压强也增大到原来的二倍。以上两种说法判断正确的是A.
正确，正确；
B.
正确，错误；
C.
错误，正确；
D.
错误，错误 .
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【单选题】– You must have learnt the good news of our team winning the football match, _____ you? -- Yes. I _____ it up when having supper in the canteen.
A.
mustn’t; have picked
B.
haven’t; have picked
C.
didn’t; picked
D.
haven’t; picked
【单选题】In the advertisement, 'a nominal rent' means that the cost for rent is quite insignificant.
A.
Right
B.
Wrong
C.
Doesn't say
【单选题】Use the following to answer question Figure: Rent Controls (Figure: Rent Controls) If rent controls are set at Rent 0 , renters would be willing to pay a price as high as ________.
A.
Rent 4 for Q 0 units
B.
Rent 4 for Q 1 units
C.
Rent 3 for Q 1 units
D.
No one would have to pay a higher actual price than Rent 0 .
【单选题】The news of our team winning the match was really _________, and millions of people came out to celebrate the victory.
A.
overwhelming
B.
accelerating
C.
prompting
D.
preceding
【单选题】Which of the following statements about the effects of rent control is correct? The short-run effect of rent control is a surplus of apartments, and the long-run effect of rent control is a shortage o...
A.
The short-run effect of rent control is a surplus of apartments, and the long-run effect of rent control is a shortage of apartments.
B.
The short-run effect of rent control is a relatively small shortage of apartments, and the long-run effect of rent control is a larger shortage of apartments.
C.
In the long run, rent control leads to a shortage of apartments, and the quality of available apartments is improved by rent control.
D.
The effects of rent control are very noticeable to the public in the short run, because the primary effects of rent control occur very quickly.
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