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单项选择题

A．For hunting.
B．For protecting himself.
C．For stimulation.
D．For protecting the country.
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单项选择题A．It’s near Mexico City.B．It’s in Guatemala.C．It’s stretched from the plains of central Mexico to the mountains of Guatemala.D．It’s in America.

A．It’s near Mexico City.
B．It’s in Guatemala.
C．It’s stretched from the plains of central Mexico to the mountains of Guatemala.
D．It’s in America.

单项选择题A．Same height.B．Same friends.C．Same number of children.D．Same university.

A．Same height.
B．Same friends.
C．Same number of children.
D．Same university.

单项选择题A．Commenting on a picture.B．Looking at some paintC．Painting a picture.D．Comparing two paintings.

A．Commenting on a picture.
B．Looking at some paint
C．Painting a picture.
D．Comparing two paintings.

单项选择题Which of the following conclusions is best supported by the second paragraph

A．Robot does not last long.
B．The early men made toys themselves.
C．Man has always had a desire to make a copy of himself.
D．The materials for making a copy of man are limited.

单项选择题In order to enable the intelligent robot to deal with an unexpected situation, the computers in it must do the following things except ______ .

A．having a large amount of information
B．making choices about how to act
C．studying the situation carefully
D．finding the information quickly