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【单选题】
在地球大气层之外,地球与太阳平均距离处,垂直于太阳光方向单位面积上的辐射基本上为一个常数。这个辐射强度称为( )
A.
大气质量
B.
太阳常数
C.
辐射强度
D.
太阳光谱
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【单选题】The amount of fluid delivered by a gear pump can be regulated by _____.
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throttling the pressure line
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changing the speed of the rotor
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either A or B
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【简答题】The amount of CO2 produced when the organic carbon in the sample is oxidized by a strong oxidizer and comparing it with the amount in a standard of known TOC.
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【单选题】The passage suggests that a large decrease in the amount of CO2 in the atmosphere would result in ______.
A.
at least a slight decrease in global temperatures
B.
at most a slight increase in short wavelength radiation reaching the Earth
C.
a slight long-term increase in global temperatures
D.
a slight short-term increase in global temperatures
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【判断题】放线菌和霉菌都为多细胞微生物。
A.
正确
B.
错误
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【简答题】The amount of CO2 released [ ] has to be reduced by more than 10% to make a difference.
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【单选题】The passage suggests that a large decrease in the amount of CO2 in the atmosphere would result in ______.
A.
at least a slight decrease in global temperatures
B.
at the most a slight increases in short-wavelength radiation reaching the earth
C.
a slight long-term increase in global temperatures
D.
a slight short-term increase in global temperatures
查看完整题目与答案
【单选题】The passage suggests that a large decrease in the amount of CO2 in the atmosphere would result in ______.
A.
at least a slight decrease in global temperatures
B.
at the most a slight increase in short-wavelength radiation reaching the earth
C.
a slight long-term increase in global temperatures
D.
a slight short-term increase in global temperatures
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【单选题】听力原文： Woman: Isn't advertising really a kind of lying? Man: I don't think so. Quite often people do try to get away with those types of things, but the Federal Trade Commission is always very quick to...
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B.
Appear in court.
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【单选题】以下4组用户标识符中,全部合法的一组是( )
A.
_main       enclude       sun
B.
If   -max     turbo
C.
txt   REAL   3COM
D.
int   k_2      _001
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【单选题】成人重度肥胖是指体重至少超过标准体重的
A.
30％
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【单选题】The amount of fluid delivered by a gear pump can be regulated by _____.
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throttling the pressure line
B.
changing the speed of the rotor
C.
either A or B
D.
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查看完整题目与答案
【简答题】The amount of CO2 produced when the organic carbon in the sample is oxidized by a strong oxidizer and comparing it with the amount in a standard of known TOC.
查看完整题目与答案
【单选题】The passage suggests that a large decrease in the amount of CO2 in the atmosphere would result in ______.
A.
at least a slight decrease in global temperatures
B.
at most a slight increase in short wavelength radiation reaching the Earth
C.
a slight long-term increase in global temperatures
D.
a slight short-term increase in global temperatures
查看完整题目与答案
【判断题】放线菌和霉菌都为多细胞微生物。
A.
正确
B.
错误
查看完整题目与答案
【简答题】The amount of CO2 released [ ] has to be reduced by more than 10% to make a difference.
查看完整题目与答案
【单选题】The passage suggests that a large decrease in the amount of CO2 in the atmosphere would result in ______.
A.
at least a slight decrease in global temperatures
B.
at the most a slight increases in short-wavelength radiation reaching the earth
C.
a slight long-term increase in global temperatures
D.
a slight short-term increase in global temperatures
查看完整题目与答案
【单选题】The passage suggests that a large decrease in the amount of CO2 in the atmosphere would result in ______.
A.
at least a slight decrease in global temperatures
B.
at the most a slight increase in short-wavelength radiation reaching the earth
C.
a slight long-term increase in global temperatures
D.
a slight short-term increase in global temperatures
查看完整题目与答案
【单选题】听力原文： Woman: Isn't advertising really a kind of lying? Man: I don't think so. Quite often people do try to get away with those types of things, but the Federal Trade Commission is always very quick to...
A.
Justify the claims they make.
B.
Appear in court.
C.
Get away with their products.
D.
Always be honest in the ads.
查看完整题目与答案