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【单选题】
蓄电池电解液的相对密度一般为A.
1.24~1.28
B.
1.15~1.20
C.
1.35~1.40
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反馈参考答案：
举一反三
【简答题】专业术语翻译:机电一体化_________
【简答题】17H转换成二进制等于
【单选题】听力原文：M: For now, you see, most economists believe a recession will not strike this year. W: But, John, according to the statistical report shown on yesterday's newspaper, you can't be so optimistic. Q...
A.
A strike that has been on for a year.
B.
The accuracy of economists' prediction.
C.
The present economic situation.
D.
The man's being too optimistic.
【单选题】Most economists predict that
A.
there will be a recovery in economy all over Europe from about the middle of next year．
B.
there will be a worse situation of economy in Europe in the following three months．
C.
customers in Europe will stay at home and spend less money by the middle of next year．
【单选题】Most economists believe that
A.
increased investment leads to higher economic growth.
B.
higher economic growth leads to lower investment.
C.
increased investment does not affect economic growth.
D.
increased investment causes increasing savings.
【单选题】Most economists argue that automation will increase incomes if______.
A.
new jobs are created
B.
productive force is boosted
C.
machine replaces human labour
D.
demand for new products is generated
【单选题】Many economists, business and labor leaders and politicians believe that
A.
most of the explosive growth in service employment is not in low-paying jobs
B.
most of the fast growth in the service sector is in low-paying jobs
C.
manufacturing jobs are disappearing because they are no longer attractive
D.
most of the fast growth in the service sector is in high-paying jobs
【单选题】Who will be most interested in this article?
A.
Economists.
B.
Retailers.
C.
Marketing managers.
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