In this passage, "optical" can be understood as related to ______.
A．light
B．audio
C．electronics
D．multimedia
Which of the following can' NOT be used as a pre-reading task?__________ A．Predicting what a passage is about. B．Creating a word web related to a topic. C．Listening to the recording of a passage. D．Sharing what is already known about a topic.
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When we praise the children, "you did a very good job! " you can raise your thumb without saying "good". This suitation means that we can understood the meaning by__________.A.spoken language B.body language C.spelling language D.written language
Premises that are related to each other seems to be dispensable because .A. Kant thinks they are indispensable B. either of them can resolve the paradox C. the premises are separated D. the premises can account for the theory
What three in combination are factors that can cause four-wave mixing in fiber-optic cables？（）A、 low optical poweB、 high optical powerC、 few optical channelsD、 many optical channelsE、 low chromatic dispersionF、 high chromatic dispersionG、 too much power differential in the optical channels
What three in combination are factors that can cause four-wave mixing in fiber-optic cables? （）(Choose three.)A、low optical powerB、high optical powerC、few optical channelsD、many optical channelsE、low chromatic dispersionF、high chromatic dispersionG、too much power differential in the optical channels
When servicing a laptop, which of the following components usually requires the keyboard to beremoved before the component can be replaced?（）A、ProcessorB、Hard driveC、BatteryD、Optical drive
Which of the following storage technologies connects by TCP/IP and can slow down network traffic？（）A、SANB、Optical jukeboxC、NASD、Tape library
