单项选择题

What' the news item mainly talking about

A．Development of medical technology.
B．Health care in California.
C．Health insurance in the U.S.
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单项选择题
How often does the student have to attend tutorials
A．Once every other week.
B．Three times a week.
C． Once a week.
单项选择题
What is the best tactic when you'e caught up by a rolling wave of snow
A．To create space around you.
B．To outrun the avalanche.
C．To leave the ski resort instantly.
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