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【单选题】
一台记录式回声测深仪当显示的水深标志不清晰时,应 ( )A.
转换量程
B.
调亮照明
C.
调大衰减
D.
调大增益
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反馈参考答案：
举一反三
【单选题】We should admit that old people have some _____ habits that have been with them for many years. And usually they are not ready to get rid of them.
A.
confirmed
B.
confined
C.
relieved
D.
removed
【单选题】The purpose of this article is to suggest that we should ______.
A.
be prepped to admit that being employed is not the only kind of work
B.
create more factories in order to increase our productivity
C.
set up smaller private enterprises so that we in turn can employ others
D.
be prepared to fill in time at home by taking up bobbies and leisure activities
【单选题】We should admit the fact that some families still can not afford their children going to school education, university ________.
A.
in particular
B.
in expectation
C.
in charge
D.
in certainty
【单选题】肺心病时,下列哪一种病变最不容易见到?
A.
心脏横径增大，形成横位心
B.
心尖钝圆、肥厚，主由右心室构成
C.
右心室向心性肥大
D.
肺动脉圆锥膨隆
E.
室上嵴增厚、增粗
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