单项选择题

Passage Two
Questions 30 to 32 are based on the passage you have just heard.

A．To forbid grazing on marginal lands.
B．To plant more trees on marginal lands.
C．To establish good ground cover.
D．To graze animals rotationally.
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单项选择题
A．Take the wallet to the reception desk.B．Look for the owner of the wallet in the company.C．Ask the receptionist for help.D．Put the wallet back in the elevator.
A．Take the wallet to the reception desk.
B．Look for the owner of the wallet in the company.
C．Ask the receptionist for help.
D．Put the wallet back in the elevator.
单项选择题
A．Because many of the boys in single parent families are raised by their mothers.B．Because many boys like the stories of women pioneers.C．Because boys are more negative than girls.D．Because many of the boys are from minority populations.
A．Because many of the boys in single parent families are raised by their mothers.
B．Because many boys like the stories of women pioneers.
C．Because boys are more negative than girls.
D．Because many of the boys are from minority populations.
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