单项选择题

A．Because it is designed like a cradle.
B．Because it is pulled and pushed by magnetic attraction and repulsion.
C．Because it runs on air.
D．Because there’s no friction between wheels and rails.
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单项选择题
A．He should start to learn the local language.B．He should learn about and comprehend the new customs and try to adjust himself.C．He should adapt himself to the new environment.D．He should make efforts to restrain his emotions.
A．He should start to learn the local language.
B．He should learn about and comprehend the new customs and try to adjust himself.
C．He should adapt himself to the new environment.
D．He should make efforts to restrain his emotions.
单项选择题
A．Studying.B．Watching television.C．Taking an exam.D．Going to movies.
A．Studying.
B．Watching television.
C．Taking an exam.
D．Going to movies.
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