单项选择题

In the passage "the two-way radio" is（）

A．important to Americans
B．useful for children only
C．used as a telephone
D．only used by doctors

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单项选择题

What happened when the man let go the rope（）

A．The box fell down and hit the man on the head.
B．The box continued to go up.
C．The man went up to the top of the building.
D．The man fell down and broke his legs.

单项选择题

Which of the following is NOT TRUE in the passage（）

A．The two-way radio is like a telephone for Australian farmers.
B．Families on large farms could keep in touch with each other by radios.
C．The two-way radio is like a newspaper for Australian farmers.
D．All the Australians live on dry places, and they use radios in many ways.