单项选择题

A．Brush your teeth right before you go to bed in the evening.
B．Have as few of your teeth pulled out as possible.
C．Have your teeth X-rayed at regular intervals.
D．Clean your teeth shortly after eating.
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单项选择题
A．It’s setting up joint ventures.B．It’s branching out into politics.C．It computerizes management.D．It accepts delayed payment.
A．It’s setting up joint ventures.
B．It’s branching out into politics.
C．It computerizes management.
D．It accepts delayed payment.
单项选择题
A．Many welcome the idea of having more bars on board.B．Many prefer the ferry to maintain its present speed.C．Some suggest improving, the design of the deck.D．Some object to using larger luxury boats.
A．Many welcome the idea of having more bars on board.
B．Many prefer the ferry to maintain its present speed.
C．Some suggest improving, the design of the deck.
D．Some object to using larger luxury boats.
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