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Globalwarmingreferstothefactthattheearth'satmosphereiswarmingnear(61)(it)surface---inotherwords,it'sgettinghotter.Somescientistssayitishumanactivity(62)hascausedglobalwarming.However,thereareo
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Global warming refers to the fact that the earth's atmosphere is warming near (61)___ (it) surface---in other words,it's getting hotter.Some scientists say it is human activity (62)___ has caused global warming.However,there are other theories as well.
One popular theory relates to the"greenhouse effect".Gases that make up the atmosphere are similar to(63)___ greenhouse because they allow sunlight (64)___ (pass) through,and then trap (吸收) much of the heat from (65)___ (escape).This naturally occurring phenomenon,(66)___ is called greenhouse warming,keeps the earth's surface(67)___ (warm) than it would be.
While scientists agree that human-produced compounds (化合物) like carbon dioxide and others are being released into the atmosphere,some argue it's not clear how his leads (68)___the changes in temperature.
Global warming can(69)___ (great) affect human life on many levels.Scientists have made great (70)___ (contribute) to finding out how long the earth has been warming,at what rate it is warming,and what factors are causing it.These answers may better prepare people to handle its effects.
One popular theory relates to the"greenhouse effect".Gases that make up the atmosphere are similar to(63)___ greenhouse because they allow sunlight (64)___ (pass) through,and then trap (吸收) much of the heat from (65)___ (escape).This naturally occurring phenomenon,(66)___ is called greenhouse warming,keeps the earth's surface(67)___ (warm) than it would be.
While scientists agree that human-produced compounds (化合物) like carbon dioxide and others are being released into the atmosphere,some argue it's not clear how his leads (68)___the changes in temperature.
Global warming can(69)___ (great) affect human life on many levels.Scientists have made great (70)___ (contribute) to finding out how long the earth has been warming,at what rate it is warming,and what factors are causing it.These answers may better prepare people to handle its effects.
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答案和解析
61.its;考查物主代词,此处物主代词指代 the earth's,故用its.
62.that;考查强调句,这是"It is/was+被强调部分+that从句"的强调句型.
63.a;考查冠词,greenhouse是一个可数名词,单数形式前面加a泛指"一个".
64.to pass;考查动词的不定式,allow sb to do sth是固定用法,意为"允许某人做某事".
65.escaping;考查非谓语动词,有前面的介词from可知此处要用动名词形式escaping.
66.which;考查关系代词,这是一个非限制性定语从句,关系代词which指代前面的 This naturally occurring phenomenon.
67.warmer;考查比较级,有后面的比较连词than可知此处要用比较级形式.
68.to;考查固定搭配,lead to是固定短语,意为"导致".
69.greatly;考查副词,此处用副词作状语修饰动词 affect.
70.contributions;考查名词,此处用名词形式作动词made的宾语,make great contributions to意为"为…做出重大贡献".
62.that;考查强调句,这是"It is/was+被强调部分+that从句"的强调句型.
63.a;考查冠词,greenhouse是一个可数名词,单数形式前面加a泛指"一个".
64.to pass;考查动词的不定式,allow sb to do sth是固定用法,意为"允许某人做某事".
65.escaping;考查非谓语动词,有前面的介词from可知此处要用动名词形式escaping.
66.which;考查关系代词,这是一个非限制性定语从句,关系代词which指代前面的 This naturally occurring phenomenon.
67.warmer;考查比较级,有后面的比较连词than可知此处要用比较级形式.
68.to;考查固定搭配,lead to是固定短语,意为"导致".
69.greatly;考查副词,此处用副词作状语修饰动词 affect.
70.contributions;考查名词,此处用名词形式作动词made的宾语,make great contributions to意为"为…做出重大贡献".
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