单项选择题

A．Automobile safety.
B．Increasing fuel efficiency.
C．California’s pollution laws.
D．Electric-powered cars.
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单项选择题
A．Being able to do the field work.B．Specializing in one area.C．Knowing large areas generally.D．Being concerned about environmental problems.
A．Being able to do the field work.
B．Specializing in one area.
C．Knowing large areas generally.
D．Being concerned about environmental problems.
单项选择题
A．He doesn’t think it fantastic.B．He doesn’t like children at all.C．He really wants to see the ’program.D．He feels bored with children.
A．He doesn’t think it fantastic.
B．He doesn’t like children at all.
C．He really wants to see the ’program.
D．He feels bored with children.
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