单项选择题

A．Whether second hand smoking is liked with cancer.
B．Whether active smoking is linked with cancer.
C．Whether passive smoking by children is liked with childhood cancers.
D．Whether an average degree of passive smoking is harmful.
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单项选择题
A．It doesn’’t need to be refueled.B．It will use solar energy as fuel.C．It will be driven by electrical power.D．It will be more suitable for long distance travel.
A．It doesn’’t need to be refueled.
B．It will use solar energy as fuel.
C．It will be driven by electrical power.
D．It will be more suitable for long distance travel.
单项选择题
A．Stay at home and review the lesson.B．Stay at home and have a good rest.C．Go somewhere else.D．Go to the concert tomorrow.
A．Stay at home and review the lesson.
B．Stay at home and have a good rest.
C．Go somewhere else.
D．Go to the concert tomorrow.
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