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【单选题】
建筑工人用图所示的定滑轮装置运送建筑材料。质量为70.0kg的工人站在地面上,通过定滑轮将20.0kg的建筑材料以0.500m/s2的加速度拉升,忽略绳子和定滑轮的质量及定滑轮的摩擦,则工人对地面的压力大小为(g取lOm/s2) 2.1
A.
510 N
B.
490 N
C.
890 N
D.
910 N
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【单选题】What does the statement " sales is the principal budget factor" mean?
A.
The level of sales will determine the level of cash at the end of the period.
B.
The level of sales will determine the level of profit at the end of the period.
C.
The company's activities are limited by the level of sales it can achieve.
D.
Sales is the largest item in the budget.
【单选题】When interest rates rise, borrowers of______may suffer from financial hardship. As a result, borrowers tend to prefer______.
A.
insured mortgages…conventional mortgages
B.
ARMs... fixed-rate mortgages
C.
zero down payment mortgages…amortized mortgages
D.
fixed-rate mortgages... ARMs
【单选题】When interest rates fall,______.
A.
bond prices are likely to fall by a greater amount
B.
stock prices are likely to fall
C.
bond prices are likely to fall by an equal amount
D.
stock prices are 1ikely to rise
【多选题】经济活动中通常使用的计量单位包括( )
A.
.劳动计量单位
B.
.实物计量单位
C.
.货币计量单位
D.
.价值计量单位
【单选题】Observations of the yield curve suggest that when interest rates are high and investors expect interest rates to fall, the yield curve will have a(n)
A.
upward slope.
B.
downward slope.
C.
horizontal slope.
D.
vertical slope.
【判断题】对水箱盖施加规定压力后,此压力必须保持永久一定才正常。
A.
正确
B.
错误
【单选题】In China,the statement "Yes,it might be difficult."probably means"______".
A.
I disagree with you
B.
I agree with you
C.
I can't tell
D.
It is really difficult
【单选题】(Para.3) Which of the following statement is correct concerning the understanding of the sentence "it is difficult to believe that you are walking among human beings"?
A.
There are no humans in the city.
B.
People are not treated as humans in the city.
C.
People are just like animals in the city.
【单选题】The statement "it is all too monkey"(Last line, Paragraph 1) implies that______
A.
monkeys are also outraged by slack rivals.
B.
resenting unfairness is also monkeys' nature.
C.
monkeys, like humans, tend to be jealous of each other.
D.
no animals other than monkeys can develop such emotions.
【单选题】足三里位于
A.
位于梁丘下 3 寸
B.
位于上巨虚上2寸
C.
位于犊鼻下3寸
D.
位于膝关下3寸
E.
位于膝阳关下3寸
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