单项选择题
In resent years, computers are being made ______.
A．larger and more expensive
B．smaller and cheaper
C．more hard to use
D．to work more slowly
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单项选择题
Which of the following situations will cause the death of a child.'
A．The child clears its body of bacteria.
B．The body loses liquids without any control.
C．The child has diarrhea in a developing country.
D．The body controls its fluid levels.
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单项选择题
The best title for the passage would be ______.
A．New use for computer
B．The popularity of home computer
C．The home computer Industry
D．Computers at home
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