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【判断题】
测量时,电流表应并联在被测电路中,电压表应串联在被测电路中A.
正确
B.
错误
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举一反三
【简答题】写作。 Write an English composition in 120-150 words. The composition must be based on the information given below. 请根据下面的图片，写一篇短文，内容包括： 1. 描述漫画内容； 2. 结合自己或身边的事例阐述图中的寓意； 3. 简要发表自己的观点。
【单选题】Climatic conditions are delicately adjusted to the composition of the Earth's atmosphere. If there were a change in the atmosphere--for example, in the relative proportions of atmosphere gases--the cl...
A.
Why are projections of the effects of changes in water vapor levels on the climate so inaccurate?
B.
What are the steps in the process that takes place as CO2 absorbs long-wavelength radiation?
C.
How might our understanding of the greenhouse effect be improved if the burning of fossil fuels were decreased?
D.
What might cause a series of regular increases and decreases in the amount of CO2 in the atmosphere?
【简答题】If you had told me earlier, I ______ (不会符合同的).
【单选题】Climatic conditions are delicately adjusted to the composition of the Earth's atmosphere. If there were a change in the atmosphere for example, in the relative proportions of atmosphere gases the clim...
A.
Why are projections of the effects of changes in water vapor levels on the climate so inaccurate?
B.
What are the steps in the process that takes place as CO2 absorbs long wavelength radiation?
C.
How might our understanding of the greenhouse effect be improved if the burning of fossil fuels were decreased?
D.
What might cause a series of regular increases and decreases in the amount of CO2 in the atmosphere?
【单选题】Climatic conditions are delicately adjusted to the composition of the Earth's atmosphere. If there were a change in the atmosphere for example, in the relative proportions of atmosphere gases the clim...
A.
Why are projections of the effects of changes in water vapor levels on the climate so inaccurate?
B.
What are the steps in the process that takes place as CO2 absorbs long-wavelength radiation?
C.
How might our understanding of the greenhouse effect be improved if the burning of fossil fuels were decreased?
D.
What might cause a series of regular increases and decreases in the amount of CO2 in the atmosphere?
【单选题】Climatic conditions are delicately adjusted to the composition of the Earth's atmosphere. If there were a change in the atmosphere—for example, in the relative proportions of atmospheric gases'-the cl...
A.
Why are projections of the effects of changes in water vapor levels oh the climate so inaccurate?
B.
What are the steps in the process that takes place as carbon dioxide absorbs long-wave length radiation?
C.
How might our understanding of the greenhouse effect be improved if the burning of fossil fuels were decreased?
D.
What might cause a series of regular increases and decreases in the amount of carbon dioxide in the atmosphere?
【单选题】According to Paragraph 5, the WHO recommends the composition of the vaccine very early every year in order to
A.
provide a good match between the vaccine and the virus strains
B.
save the expense in producing and distributing the vaccine
C.
reduce the frequency the flu viruses change from one strain to another
D.
leave time to manufacture and distribute vaccines before the flu season
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