教你玩转储蓄大计：购你所想，无需再等！
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1 . What makes controlling traffic become more difficult and costly?
A.
The complexity of controlling traffic.
B.
The high cost of controlling traffic.
C.
The ever-increasing number of cars.
D.
Using simulation technologies.
2 . The scientists and students at CATT are trying to help the government to_____________.
A.
save money
B.
solve the traffic problem
C.
control traffic
D.
reduce traffic
3 . If the CATT’s system is put in use, the traffic will___________.
A.
cost more
B.
run faster
C.
make more money
D.
plan and react better
4 . What are the scientists and students at CATT trying to do?
A.
To develop software and applications.
B.
To collect traffic information.
C.
To turn the information into visualizations.
D.
To help emergency workers.
5 . How will the intelligent system of road signals work?
A.
By sharing information.
B.
By communicating with each other.
C.
By using data on websites.
D.
By helping traffic run more smoothly.
