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【单选题】
在Windows7中,若要复制整个屏幕到剪贴板,可以按:A.
Alt+ PrintScreen键
B.
PrintScreen键
C.
Shift+ PrintScreen键
D.
Ctr1+PrintScreen键
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反馈参考答案：
举一反三
【多选题】一级负荷供电电源应符合( )的要求。
A.
应由两个电源供电，当一个电源发生故障时，另一个电源不致同时受到损坏
B.
在负荷较小或地区供电条件困难时，可由一回6kV及以上专用架空线路供电
C.
如--级负荷容量较大或有高压用电设备时应采用两路高压电源
D.
如一级负荷容量不大时，应优先从电力系统或临近单位取得第二低压电源
【单选题】Just as the saying goes, “_______”, computer s also have some disadvantages though they are popular among agers.
A.
No garden is without weeds
B.
Every little makes a nickel
C.
Time waits for no man
D.
The onlooker sees the best
【简答题】The computer mouse derives its name from the cable that goes out its body, which looks like the tail of a mouse.
【单选题】患者,男,45岁,朋友探病送来了蛋白粉,护士告诫其家属,禁忌给患者食用,你分析这患者可能是
A.
严重贫血患者
B.
营养不良性水肿患者
C.
肝昏迷患者
D.
大手术后患者
E.
肺结核患者
【简答题】What is the cause of the long waiting? [A] The computer of the place goes wrong. [B] There aren't enough people selling tickets. [C]The tickets are not many. [D] They haven't mentioned about it.
【单选题】What is the cause of the long waiting?
A.
The computer of the place goes wrong.
B.
There aren't enough people selling tickets.
C.
The tickets are not many.
D.
They haven't mentioned about it.
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