Directions: Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.
A. additional B. producing C. regular D. predicted E. identified F. atmosphere G. matched H. reducing I. carried J. increase |
Forests in the northern half of the globe could be growing faster now than they were 200 years 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
Geoffrey Parker, a scientist at the Smithsonian Environmental Research Centre in Edgewater, Maryland, said that the increase in the rate of growth was unexpected and might be
“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
Dr. Parker and his colleagues have
The scientists
due to, at that time, the number of, rather than, by mistake, in fear, come across, cut off, millions of, have a good effect on |
【小题2】The theory was so complex (复杂的) that few people could understand it
【小题3】At their worst, they may threaten to take children out of college or
【小题4】It was when I got back to my apartment that I first
【小题5】I would cry out
【小题6】A recent survey suggests that women can find more joy from relationships,
【小题7】She discovered artemisinin, a medicine which saved
【小题8】He found one mixture that seemed to
【小题9】I took another passenger’s luggage
【小题10】
due to, put up, search for, cut down, carry out, put out, send out, stir up |
【小题2】A number of land greening campaigns have been
【小题3】The Forbidden City, China's former imperial palace, has seldom been flooded since its founding 600 years
【小题4】The children helped the guests to
【小题5】Posters were
【小题6】She is one of those people who like
【小题7】If you want to lose weight, you will have to
【小题8】When this object is being burnt, it
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