From the viewpoint of the author, happiness is______.
A. limited
B. out of reach
C. unconditional
D. based on our needs
查看答案
The underlined phrase "cyclists' failure to keep up with the desired speed of motor traffic" in the second paragraph means______.
A. cyclists' speed is beyond the limit
B. cyclists' speed is much lower than that of motorists' and they easily get hurt
C. cyclists often compete with motorists on the roads
D. motorists usually took down upon cyclists.
When did he win the Nobel Peace Prize？
A. In 1968.
B. In 1918.
C. In 1964.
D. In 1946.
The measures taken by government in some states in the second paragraph are for the purpose of
A. protecting people's convenience
B. protecting the cars and motors
C. protecting cyclists' safety
D. protecting the flowing of the traffic
From the first paragraph, the person riding a bicycle in the city should take______.
A. main roads
B. streets
C. highways
D. sidewalks
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