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【多选题】
What are the solutions for Traffic Problems?A.
Traffic police department must use technology for controlling and monitoring the movement of vehicles at important and busy crossroads.
B.
Drives should be launched to educate masses to drive in their respective lanes only and to follow traffic signals strictly. If the offence is found to be repeated, then the driving license of the driver should be cancelled.
C.
Public transport, should be increased to deal with the rising number of private vehicles on roads.
D.
We must encourage our children to ride bicycles and walk short distances.
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举一反三
【简答题】stationary phase
【多选题】Let be independent normal variables each with mean 0 and variance and let a,b and c be constants. Which, if any, of the following processes are stationary?
A.
B.
C.
D.
E.
【简答题】Let {Xt} be a stationary time series and define (a) Show that is free of t for all lags k. (b) Is {Yt} stationary?
【单选题】He has made ________ that we are proud of him. [ ]
A.
so rapid progress
B.
such a rapid progress
C.
such rapid progress
D.
such rapid progresses
【单选题】- Some children can't afford ________ necessary stationary. - Let's donate our pocket money to them.
A.
buy
B.
buying
C.
to buy
D.
be bought
【单选题】There is ________ in population that a food shortage is caused.
A.
so rapid an increase
B.
such rapid an increase
C.
such rapid increase
D.
so a rapid increase
【简答题】A．successful B．compulsory C．miserable D．stationary
【简答题】A．successful B．compulsory C．miserable D．stationary
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