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1、The earliest theoretical work on drama is Plato’s Poetics.
A、Ture
B、False
答案：False
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2、(April 24th /April 22ed) is the Earth Day every year?
答案：April 22ed
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3、Which of the following isotopic elements can be generally used in the scientific research?
A、Carbon-14
B、Bismuth-120
C、Polonium-214
D、--
答案：Bismuth-120
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4、Less than of biomass energy produced by photosynthesis in earth has been used.
A、1%
B、3%
C、10%
D、--
答案：3%
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5、1 calorie = joule. (3.134 / 4.189)
答案：4.189
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6、Nuclear energy comes from the of the atomic nucleus. (radioactivity / explosiveness)
答案：radioactivity
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7、流域的累计效应是指：()
A、能产生正面影响的流域活动的综合环境效应 B、能产生负面影响的流域活动的综合环境效应 C、流域内各种组成因素的相互关系和作用递增的影响 D、流域内某一组成因素的相互关系和作用递增的影响
答案：B
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8、The Earth Day begins at the year of ( )
A、2008
B、2009
C、2010
D、2011
答案：2009
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9、对于大多数河流，与平岸水位相联系的河流流量的平均回复期为()
A、3～4年 B、4～5年 C、0.5～1.2年 D、1.4～1.6年
答案：D
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10、The longer the half-life, the stronger the radioactivity.
答案：短半衰期核素Radionuclides of;short half-life;
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11、1. (SO2 / Nitrogen oxides) are produced mainly by the process of exhaust emissions from automobiles and Jet engines.
答案：Nitrogen oxides
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12、The gas with maximum percentage in the atmosphere is ( ).
A、nitrogen
B、hydrogen
C、oxygen
D、carbon dioxide
答案：nitrogen
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13、If we were to place a body in the gravitational field, it would experience a force along whatever line of force it was on.
A．to learn to deal with the losses we suffer in life
B．to learn that death is unavoidable
C．to learn to face a variety of deaths
D．to learn to get accustomed to the pattern of life, departure and death
答案：A
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14、Wind energy, biological, ocean energy come from solar energy.
答案：正确
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15、Heat is developed whenever friction forces are present.
答案：因此，雷暴的猛烈几乎是数以百万计的热水滴被抛到数以百万计的冰晶体中而直接产生的结果，这些热水滴撞击冰晶体，在冰晶体上翻滚，把冰晶体融化或被冰晶体冻成雪或冰雹。
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