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【多选题】
自动变速器供油系统中,常用的油泵主要有( )
A.
内啮合渐开线式
B.
外啮合渐开线式
C.
摆线齿轮式
D.
叶片式
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【简答题】In cities with rent control, the city government sets the maximum(highest) rent that a landlord can charge for an apartment. Supporters of rent control argue that it protects people who are living in ...
【单选题】Which of the following statements about the effects of rent control is correct?
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.
【单选题】直线 3x -2y+6=0在y轴上的截距b和在x轴上的截距a分别是()
A.
3,2
B.
3,-2
C.
-3,2
D.
-3,-2
【单选题】Man must stop _____ the earth's atmosphere.
A.
filling
B.
wasting
C.
polluting
D.
giving off
【单选题】直线y=2x+3的斜率k和在y轴上的截距b以及在x轴上的截距a分别是()
A.
2,3,3/2
B.
,2,3,-3/2
【单选题】直线3x-4y+12=0在x轴上的截距和在y轴上的截距分别是( )
A.
3,-4
B.
-3,4
C.
-4,3
D.
4,-3
【单选题】直线 在 轴和 轴上的截距分别是( )
A.
2,
B.
-2,
C.
,-3
D.
-2,-3
【单选题】直线 的斜率和在y轴上的截距分别是()
A.
1,0
B.
0,1
C.
不存在,1
D.
1,不存在
【单选题】Man must stop ______ the earth’s atmosphere.
A.
filling
B.
wasting
C.
polluting
D.
chew
【简答题】过点 ,在 轴上和 轴上的截距分别是 且满足 的直线方程为___ ___
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