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【单选题】
呈音调低、音响较强、音时较长的叩诊音是A.
清音
B.
浊音
C.
半浊音
D.
E.
过清音
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反馈参考答案：
举一反三
【单选题】Other scientists are looking at experiments that are similar in that they are .
A.
the ways the patients are treated
B.
the size of the experiment
C.
the cost of the experiment
D.
the time the experiment takes
【判断题】The total drag on an airplane in flight is the combination of its induced drag and parasite drag.
A.
正确
B.
错误
【单选题】Is this argument valid or invalid? Only social scientists are political scientists. Many political scientists are persons who favor campaign finance reform. Accordingly, many persons who favor campaig...
A.
Valid
B.
Invalid
【简答题】[A] push [ B ] rush [C] drag [D] brush
【简答题】Scientists are working hard to turn these ideas into r______.
【单选题】固定成本是指在一定条件下,其总额不随业务量发生任何数额变化的 那部分成本,固定成本对下列内容,一般不包括( )。
A.
房屋设备租赁费
B.
保险费
C.
广告费
D.
原材料费
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