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【简答题】
CPU集成了运算器和()。
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【单选题】People often recall having felt chilled before the onset of a cold. This supports the hypothesis that colds are, at least sometimes, caused by becoming chilled; it is the chill that allows a rhino vir...
A.
Being chilled is a form. of stress, and stress lowers the defenses of a person' s immune system, which guards against infection.
B.
After a rhino virus has incubated in a person for several days, the first symptom it causes is a feeling of chilliness.
C.
People who are tired and then become chilled are more likely to catch severe colds than are people who are chilled without being tired.
D.
Some people who catch colds are not sure what it was that allowed them to catch cold.
E.
Rhino viruses are not always present in the environment, and so a person could become chilled without catching a cold.
【单选题】We ______ them not to go skating on such thin ice.
A.
reply
B.
remind
C.
warn
D.
recall
【简答题】We often recall Dad’s __________ (tell) us not to jump too hard and too high.
【简答题】将下面的程序补充完整,实现任意范围累加求和
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