单项选择题

A．They will remain stable.
B．They will be raised.
C．They have been changing all the time.
D．They are determined directly by the supply and demand of the market.
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单项选择题
According to the article, the function of the bulletin put out by the Competition Bureau was to.
A．eliminate deceptive on-line advertising
B．introduce the Competition Act
C．clarify rules related to on-line advertising and marketing
D．inform the Canadian public about deceptive marketing practices
单项选择题
A．To praise and encourage their children more often.B．To be hard on their children.C．To leave their children alone with nothing to do.D．To give their children as much help as possible.
A．To praise and encourage their children more often.
B．To be hard on their children.
C．To leave their children alone with nothing to do.
D．To give their children as much help as possible.
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