单项选择题

无实质性缺损的氟牙症宜用（）

A．无需处理
B．含氟片
C．脱色法
D．充填术
E．可见光复合树脂修复

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单项选择题

M：Excuse me，madam，could you tell me how to use this bank card for cash？
W：That’s easy.First put your card into the machine.Yes，this side.Then enter your personal number，then the amount of money you want.Ok，now press the ’withdrawal’key and ’process’key.
Q：According to the conversation，what must the man do first to get the money？（）

A．Press the 'process' key.
B．Insert his card.
C．Memorize his personal number.
D．Insert some coins.

单项选择题

M: Could you please tell me at which stop I should get off for the Metropolitan Museum? Also, how much is the fare?
W: Of course. You get off at 82nd street and walk one block. I’ll tell you when we get there. The fare is 60 cents, just put it in the fare box.
Q: What’s probably the relationship between the two speakers?（）

A．Doctor--patient.
B．Daughter-- mother.
C．Passenger--bus driver.
D．Customer--merchant.