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【单选题】
吸附操作时,同一种物质在较低的温度下,可以发生( )
A.
化学吸附
B.
交换吸附
C.
机械吸附
D.
物理吸附
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参考答案：
举一反三
【判断题】Locator的时间输入为24小时制。超过截止时间后，Locator会自动取消。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The high stage valve controls the flow of bleed air from the ___ stage bleed air manifold.
A.
3th
B.
4th
C.
5th
D.
9th
查看完整题目与答案
【单选题】An un-loader is installed on an air compressor to _____.
A.
bypass the high pressure stage to the low pressure stage on 100% of the air compressors in service
B.
prevent excessive inter-stage pressure buildup
C.
control compressor discharge pressure
D.
remove all but the frictional load during starting
查看完整题目与答案
【单选题】—How often do you surf the Internet? —_____. [     ]
A.
Three times a week
B.
A week three times
C.
Three weeks a time
查看完整题目与答案
【单选题】听力原文：M: I was away for three weeks, but it seems like three days. W: So you must have had a very good time in Guilin. What do we know about the man?
A.
He enjoyed himself in Guilin.
B.
He didn't like traveling in Guilin.
C.
He spent three days in Guilin.
查看完整题目与答案
【多选题】关于循环左移指令和循环右移指令,说法正确的是:( )。
A.
循环左移指令ROL使目标操作数中各位数据向左循环移n位，最后将从最高位移出的数据存于进位标志M8022中
B.
循环右移指令ROR使目标操作数中各位数据向右循环移n位，最后将从最低位移出的数据存于进位标志M8022中。
C.
执行这两条指令时，如果目标操作数为位组合元件，则只有K4或K8才有效
D.
移位指令只能使用脉冲执行形式或者边沿执行条件
查看完整题目与答案
【单选题】______ (W)word came that three Chinese astronauts had been successfully sent into ______ space.
A.
The; a
B.
/; /
C.
A; /
D.
/; the
查看完整题目与答案
【单选题】To obtain maximum efficiency, two stage air compressors are usually _____.
A.
horizontally mounted
B.
never fitted with intake filters
C.
fitted with intercoolers
D.
operated in an unloaded condition at all times
查看完整题目与答案
【多选题】关于边沿脉冲指令说法正确是是:
A.
EU代表上升沿脉冲
B.
ED代表下降沿脉冲
C.
┤P├代表上升沿脉冲
D.
┤N├代表下降沿脉冲
查看完整题目与答案
【单选题】The ____ stage air compressors are widely used on board the ship.
A.
single
B.
II
C.
III
D.
multiple
查看完整题目与答案
相关题目：
【判断题】Locator的时间输入为24小时制。超过截止时间后，Locator会自动取消。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The high stage valve controls the flow of bleed air from the ___ stage bleed air manifold.
A.
3th
B.
4th
C.
5th
D.
9th
查看完整题目与答案
【单选题】An un-loader is installed on an air compressor to _____.
A.
bypass the high pressure stage to the low pressure stage on 100% of the air compressors in service
B.
prevent excessive inter-stage pressure buildup
C.
control compressor discharge pressure
D.
remove all but the frictional load during starting
查看完整题目与答案
【单选题】—How often do you surf the Internet? —_____. [     ]
A.
Three times a week
B.
A week three times
C.
Three weeks a time
查看完整题目与答案
【单选题】听力原文：M: I was away for three weeks, but it seems like three days. W: So you must have had a very good time in Guilin. What do we know about the man?
A.
He enjoyed himself in Guilin.
B.
He didn't like traveling in Guilin.
C.
He spent three days in Guilin.
查看完整题目与答案
【多选题】关于循环左移指令和循环右移指令,说法正确的是:( )。
A.
循环左移指令ROL使目标操作数中各位数据向左循环移n位，最后将从最高位移出的数据存于进位标志M8022中
B.
循环右移指令ROR使目标操作数中各位数据向右循环移n位，最后将从最低位移出的数据存于进位标志M8022中。
C.
执行这两条指令时，如果目标操作数为位组合元件，则只有K4或K8才有效
D.
移位指令只能使用脉冲执行形式或者边沿执行条件
查看完整题目与答案
【单选题】______ (W)word came that three Chinese astronauts had been successfully sent into ______ space.
A.
The; a
B.
/; /
C.
A; /
D.
/; the
查看完整题目与答案
【单选题】To obtain maximum efficiency, two stage air compressors are usually _____.
A.
horizontally mounted
B.
never fitted with intake filters
C.
fitted with intercoolers
D.
operated in an unloaded condition at all times
查看完整题目与答案
【多选题】关于边沿脉冲指令说法正确是是:
A.
EU代表上升沿脉冲
B.
ED代表下降沿脉冲
C.
┤P├代表上升沿脉冲
D.
┤N├代表下降沿脉冲
查看完整题目与答案
【单选题】The ____ stage air compressors are widely used on board the ship.
A.
single
B.
II
C.
III
D.
multiple
查看完整题目与答案
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