单项选择题

What, in Dr. Richard Perelman’s opinion, is not a good idea to take care of children

A．Leave them to a baby-sitter.
B．Leave them in a day-care center.
C．Leave them with other children with a care of an adult.
D．Leave them in a kindergarten.
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单项选择题
What, in Professor Zhang’ s opinion, should we do before we make good money out of holiday economy
A．Increase our GNP.
B．Invest a lot of things like better facilities and better services.
C．Boost the local commerce.
D．Provide seasonal jobs.
单项选择题
If the woman wants to stop, what should she do
A．She should keep leaning forward.
B．She should cross.
C．She should go step by step like a crab.
D．She should point the tips together.
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