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【简答题】
设(X，τ)是紧拓扑空间，f n ，f：X→ 在X上连续，f是{f n }的点态极限，且有f n+1 (x)≤f n (x)， ，x∈X．证明{f n }在X上一致收敛．
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【简答题】CFC emissions have been substantially reduced in recent years.
【单选题】Without signals from navigation satellites, the in-car computer ______.
A.
would still be able to locate the car's position at all times
B.
would fail to locate the car's position
C.
would still work out the best route to follow
D.
would seek help from the radio receiver linked to it
【单选题】The car's computer can then ________ how far the satellite is by measuring how long it took for the signal to arrive.
A.
calculate
B.
accumulate
C.
liberate
D.
accelerate
【单选题】Of the following functions, which is NOT possessed by the navigation computer?
A.
Showing a map of the region a driver plans to drive through.
B.
Predicting a car crash on the road.
C.
Getting information about road construction, weather conditions, and traffic jams.
D.
Showing the car's position at all times and displaying it on the map.
【单选题】Without signals from navigation satellites, the in-car computer_____.
A.
would still be able to locate the car's position at all times
B.
would fail to locate the car’s position
C.
could still work out the best route to follow
D.
would seek hetp from the radio receiver linked to it
【单选题】In recent years, there has been a marked increase in the number of technical terms in the terminology of ______.
A.
fanning
B.
sports
C.
government
D.
fishery
【简答题】阅读文章后,请将书后5个句子翻译成汉语。 unit1-partv 课文后练习.docx
【单选题】Without signals from navigation satellites, the in-car computer
A.
would still be able to locate the. car's position at all times.
B.
would fail to locate the car's position.
C.
could still work out the best route to follow.
D.
would seek help from the radio receiver linked to it.
【单选题】The satellite sends out a radio signal that can be _________ by a reciver in a car's computer.
A.
calculated
B.
poised
C.
computerized
D.
detected
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