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单选题
An indicator card or pressure-volume diagram, shows graphically the （）
A
compression ratio of the engine
B
volume of the engine
C
relationships between pressure and volume during one stroke of the engine
D
relationships between pressure and volume during one cycle of the engine
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考题
单选题Which of the following can be obtained by means of an indicator card?（）A
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Update the system firmwareC
Re-install the device driverD
Flash update the two-port card
考题
单选题Which of the following can be directly obtained by means of an indicator card?（）A
powerB
maximum pressure in a cylinderC
mean pressure in a cylinderD
all of the above
考题
单选题A time diagram is a diagram on the plane of the（）.A
celestial meridianB
celestial equatorC
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考题
单选题The lubber’s line of a magnetic compass（）.A
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is always parallel to the vessel's transomD
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考题
单选题关于Stick Diagram，下列说法正确的是（）A
Stick Diagram包括了所有版图的信息。B
Stick Diagram的信息是不完整的，因此它对于版图没有任何帮助。C
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Stick Diagram没有层次的概念。
考题
单选题You install a TV tuner card on your computer. You need to record two different TV shows that run on two different channels at the same time. What should you do？（）A
Install a TV tuner card that supports high-definition TV （HDTV）.B
Install an additional TV tuner card.C
Contact your TV cable or satellite provider to add support for concurrent recording.D
Remove the existing TV tuner card. Install a new TV tuner card that supports MPEG-2 video hardware or software video decoding.
考题
单选题A time diagram is a diagram of the celestial sphere as observed from above the（）.A
south celestial poleB
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单选题Report Card shows parents ______.A
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after—school activitiesC
plans for classes and testsD
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