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【单选题】
正常情况下,外存储器中存储的信息在断电后
A.
A会局部丢失
B.
大部分会丢失
C.
会全部丢失
D.
不会丢失
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【单选题】Losing a job or not being able to find one almost always brings unwelcome changes. If you've lost a job, the first feeling is often one of shock. On top of the loss of income, many people find the who...
A.
unpleasant
B.
unsuitable
C.
untenable
D.
unworthy
【单选题】下列选项中,关于单细胞蛋白饲料描述不正确的是()。
A.
原料来源丰富,工农业废物、废水,如秸秆、蔗渣、甜菜渣、等均可用来生产单细胞蛋白饲料
B.
单细胞蛋白饲料主要有饲料酵母、石油蛋白和藻类饲料
C.
单细胞蛋白只含有蛋白质
D.
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A.
a. rise.
B.
b. fall.
C.
c. stay the same.
D.
d. rise at first and then fall.
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【单选题】Assume that a large capital-abundant country trades only two goods with the rest of the world, medical equipment and corn. Medical equipment is relatively capital-intensive. An increase in the country...
A.
rise
B.
fall
C.
stay the same.
D.
rise at first and then fall.
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A.
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B.
半天
C.
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D.
一天的30%
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A.
rise; fall
B.
fall; rise
C.
rise; remain the same
D.
remain the same; fall
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