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【单选题】
有关“表面粗糙度”,下列说法不正确的是( )。
A.
是指加工表面上所具有的较小间距和峰组成的微观几何形状特性
B.
表面粗糙度不会影响到机器的工作可靠性和使用寿命
C.
表面粗糙度实质上是一种微观的几何形状误差
D.
表面粗糙度越小,则表面越光滑。
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举一反三
【单选题】The data on U.S. growth rates during the last half of the 20 th century suggest that when the savings rate increases
A.
the rate of growth can increase or decrease depending on the phase of the business cycle the economy is in.
B.
the rate of economic growth increases.
C.
the rate of economic growth decreases.
D.
the rate of economic growth is unaffected.
【简答题】Sydney Airport International Terminal --- Arrival Area Specialty Retail ( 特别零售 ) Newslink: Two separate Newslink stores cater to (迎合) all your reading needs including newspapers, magazines and the lat...
【判断题】串行接口的数据传输速率必定低于并行接口的数据传输速率。
A.
正确
B.
错误
【单选题】Lester had $6,270 in his savings account at the beginning of this year. This amount includes both the $6,000 he originally invested at the beginning of last year plus the $270 he earned in interest la...
A.
simple interest.
B.
interest on interest.
C.
discounted interest.
D.
compound interest.
【单选题】Toni adds $5,000 to her savings on the first day of each year. Tim adds $5,000 to his savings on the last day of each year. They both earn a 9% rate of return. What is the difference in their savings ...
A.
$55,822.73
B.
$56,803.03
C.
$58,911.21
D.
$61,338.40
E.
$65,115.27
【单选题】Jamie earned $180 in interest on her savings account last year. She has decided to leave the $180 in her account so that she can earn interest on the $180 this year. The interest Jamie earns this year...
A.
simple interest.
B.
complex interest.
C.
accrued interest.
D.
interest on interest.
【单选题】Nadine is retiring at age 62 and expects to live to age 85. On the day she retires, she has $402,000 in her retirement savings account. She is somewhat conservative with her money and expects to earn ...
A.
$1,909.92
B.
$2,147.78
C.
$2,219.46
D.
$2,416.08
E.
$2,688.77
【多选题】draw        rhythm      dependent      deposite    lower       slow     expend      safeguard    internal    turn...down this term in the contract is a necessary against our losing money on the deal. ...
A.
safeguard
B.
drew
C.
lowering
D.
deposited
E.
turn down
F.
internal
G.
expended
H.
dependent
I.
Rhythm
J.
slowing
【单选题】以下只能承受径向载荷的轴承是
A.
深沟球轴承
B.
圆柱滚子轴承
C.
圆锥滚子轴承
D.
推力球轴承
【单选题】Tom earned $120 in interest on his savings account last year. Tom has decided to leave the $120 in his account so that he can earn interest on the $120 this year. This process of earning interest on p...
A.
discounting.
B.
compounding.
C.
duplicating.
D.
multiplying.
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