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【判断题】
如果把适当颜色的两种光按一定强度比例混合,也可成为,这两种颜色的光称为互补色光,如绿色光与紫红色光互补。A.
正确
B.
错误
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举一反三
【单选题】In order to insure that the racon signal is visible on your 3 cm radar, the ______.
A.
10 cm radar should be placed on stangby or turned off
B.
gain control should be turned to maximum
C.
radar should be stabilized, head up
D.
rain clutter control should be off but, if necessary, may be on low
【简答题】A．shift B．share C．originate D．insure
【单选题】In order to insure that the racon signal display on your 3 cm radar, the ______.
A.
10 cm radar should be placed on stangby or turned off
B.
gain control should be turned to maximum
C.
radar should be stabilized, head up
D.
rain clutter control should be off but, if necessary, may be on low
【单选题】患者男性60岁，尿毒症患者，各项化验指标异常如下，应首先处理的是
A.
Hb 55g/L
B.
BUN 40mmol/L
C.
血钾 7.2mmol/L
D.
Cr 445μmol/L
E.
CO2CP 18mmol/L
【单选题】We _______ you of our prompt shipmentafter receipt of your order. A. assure B. assurance C. insure D. insurance
A.
assure
B.
assurance
C.
insure
D.
insurance
【单选题】患者男性,60岁,慢性肾衰竭尿毒症患者,查各项化验指标异常,下列情况需首先处理的是
A.
Hb55g/L
B.
BUN40mmol/L
C.
血钾7.2 mmol/L
D.
Cr445μmol/L
E.
CO2CP18 mmol/L
【单选题】In order to insure that a RACON signal is displayed on the radar, you should ______.
A.
increase the brilliance of the PPI scope
B.
turn off the interference controls on the radar
C.
use the maximum available range setting
D.
increase the radar signal output
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