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【单选题】
学生A说，车轮与轮胎会影响汽车行驶的平顺性;学生B说，车轮与轮胎会影响汽车行驶的操纵稳定性。他们说法正确的是()。A.
只有学生A正确
B.
只有学生B正确
C.
学生A和B都正确
D.
学生A和B都不正确
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举一反三
【单选题】关于复利计息与单利计息的说法中，正确的是( )。
A.
复利计息与单利计息均未考虑资金的时间价值
B.
复利计息考虑了本金的时间价值，而单利计息未考虑
C.
复利计息考虑了先前计息周期累计利息的时间价值，而单利计息未考虑
D.
单利计息与复利计息的本质区别在于采用名义利率还是实际利率
【单选题】下列一组描述中错误的是( )。
A.
单利与复利并没有实质上的区别,只是表达方式上的不同而已
B.
利息计算本质上都是复利,采取单利方式只是为了实际计算上的方便
C.
如果要使单利计息与复利计息两不吃亏,单利的利率应高一些,复利的利息应低一些
D.
假设i1为单利利率i,2为复利利率,并令n期末使单利计息与复利计息的本利和相等,可得出单利计息与复利计息两不吃亏的利率关系如下i:2=[(1+i1)n-1]÷n
【单选题】During Ana's flight, the flight attendant was very _______.
A.
angry
B.
nice
C.
No information
【单选题】It was recommended that passengers______smoke during the flight.
A.
not
B.
could not
C.
need not
D.
would not
【单选题】During her flight to Australia, Jenny ran into a lot of difficulties.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】Electronic devices are allowed to be turned on during flight probably because______.
A.
they have no interference with plane's communications
B.
they are necessary devices to some passengers
C.
the reason to switch them off is different from that of cell-phone
D.
the interference they bring doesn't last long
【单选题】It is recommended that passengers______ smoke during the flight.
A.
not
B.
need not
C.
could not
D.
would not
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