带符号8位二进制定点小数的最小数值为(),最大数值为()。
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The manager of our company asked me if was possible for me to()the marketing plan within a week.
A. set out
B. work out
C. make out
D. put out
The max effluent of the oil content from a ship of 400 tons gross tonnage and above other than an oil tanker is().
A. less than 100 parts per million
B. more than 100 parts per million
C. at least 100 parts per million
D. 100 parts per millio
研究证明:经常锻炼的人在60岁时,其心血管系统的功能大约相当于()多岁不锻炼的人。
A. 50
B. 40
C. 30
D. 20"
氯丙嗪、异丙肾上腺素对小鼠耗氧量的影响分别是()、(),原理分别是()、()。