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【单选题】
CPU要使用外储存器中的信息,应该先将其调入()。A.
微处理器
B.
内储存器
C.
运算器
D.
控制器
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【单选题】听力原文： For those of us lucky enough to always have enough food and water, it may be hard to imagine living through a drought. A drought occurs for a variety of reasons, usually including a lack of rain...
A.
cools
B.
air rises
C.
deserts
D.
warm
【单选题】The passage implies that it is easy to buy the following things in the country EXCEPT______.
A.
daily necessities
B.
fruits
C.
designer clothes
D.
vegetables
【单选题】It is very important ＿＿＿people to have food and water every day.
A.
for
B.
of
C.
with
D.
about
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