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【单选题】
具有补血养阴、填精益髓功效,为补血要药的药物是A.
当归
B.
熟地黄
C.
何首乌
D.
白芍
E.
阿胶
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反馈参考答案：
举一反三
【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
【简答题】what did he order during his last flight?
【简答题】During flight, the camera is covered and hung beneath______.
【单选题】Some birds that are molting maintain balance during flight by______.
A.
constantly preening and caring for their remaining feathers
B.
dropping flight feathers on both sides at the same time
C.
adjusting the angle of their flight to compensate for lost feathers
D.
only losing one-third of their feathers
【单选题】It was recommended that passengers ______ smoke during the flight.
A.
not
B.
need not
C.
could not
D.
would not
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