题目内容
3.Recently,the Chinese government gave some examples of _______ Dalai Lama's visiting foreign countries had affected China.( )A. | that | B. | what | C. | how | D. | whether |
分析 最近,中国政府列举了达赖喇嘛出访外国是如何影响中国的例子.
解答 答案:C
题干中Dalai Lama's visiting foreign countries had affected China作介词of的宾语,是一个宾语从句;从句结构完整,要用连接副词;句意表达的是事实,不能用whether(是否)来连接.故选C.
点评 从属连词是连词的一种,用来引导名词性从句和状语从句.大致可分为三大类:that(无词义,不做成分)if,whether (表达是否的意义,但不做句子成分); 连接代词:who,whom,whose,what,which,whatever,whoever,whichever(有词义,在句子中可作主语、表语、宾语);连接副词:when,where,why,how,how many,how long,how far,however,whenever,wherever (有词义,作从句的状语).学习时,要注意区分和掌握.
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Forests in the northern half of the globe could be growing faster now than they were 200years ago as a result of climate change,according to a study of trees in eastern America.The trees appear to have faster growth rates due to longer growing seasons and higher concentrations (浓度) of carbon dioxide in the(41)F.
Geoffrey Parker,a scientist at the Smithsonian Environmental Research Centre in Edgewater.Maryland,said that the increase ha the rate of growth was unexpected and might be (42)G to the higher temperatures and longer growing seasons documented in the region.The growth may also be influenced by the significant (43)Jin atmospheric CO2,he said.
"We made a list of reasons these forests could be growing faster and then excluded half of them,"Dr Parker said.Their study suggests that northern forests may become increasingly important in(44)H the influence of man-made CO2on the climate.
Dr Parker and his colleagues have (45)Iout a detailed record of the trees on a(n)(46)Cbasis since 1987.They calculated that due to the global warming the forest is producing(47)A tons of wood each year.
The scientists (48)E the land with trees at different stages of growth and found that both young and old trees were showing increased growth rate.More than 90percent of the tree groups had grown by between two and four times faster than the scientists had(49)Dfrom estimates of the long-term rates of growth.
A.additional B.producing C.regular D.predicted E.identified E atmosphere G.matched H.reducing I.carried J.increase |
Geoffrey Parker,a scientist at the Smithsonian Environmental Research Centre in Edgewater.Maryland,said that the increase ha the rate of growth was unexpected and might be (42)G to the higher temperatures and longer growing seasons documented in the region.The growth may also be influenced by the significant (43)Jin atmospheric CO2,he said.
"We made a list of reasons these forests could be growing faster and then excluded half of them,"Dr Parker said.Their study suggests that northern forests may become increasingly important in(44)H the influence of man-made CO2on the climate.
Dr Parker and his colleagues have (45)Iout a detailed record of the trees on a(n)(46)Cbasis since 1987.They calculated that due to the global warming the forest is producing(47)A tons of wood each year.
The scientists (48)E the land with trees at different stages of growth and found that both young and old trees were showing increased growth rate.More than 90percent of the tree groups had grown by between two and four times faster than the scientists had(49)Dfrom estimates of the long-term rates of growth.