单项选择题

Why was the speed limit set at 55 miles per hour in the first place

A．The older people wanted it.
B．The voters decided on it.
C．Speeds above 55 were not safe.
D．The U.S. had a fuel crisis.
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单项选择题
What evidence do people from the West give to show that a higher speed limit is safe
A．The long empty roads between the cities.
B．The modern turbo-charged engine.
C．The current policies of Germany and Australia.
D．The benefits for economy.
单项选择题
What is true about the Red Cross
A．It is an international organization set up in the U. S.
B．Every country has at least one Red Cross agency.
C．It has only one name though it used to have several names.
D．It provides a lot of services for people in different countries.
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