38.Wind power is an ancient source of energy we may return in the near future.
A.on which B.by which C.to which D.from which 39.our manage objects to Tom's joining the club, we shall accept him as a member.A.Until B.Unless C.If D.After
40.Thai is the only way we can imagine the overuse of water in students' bathrooms.A.reducing B.to reduce C.reduced D.reduce
Section B
Directions: Complete the following passage by using the words in the box.Each word can
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 ___41 .
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 to the higher temperatures and longer growing seasons documented in the region.The growth may also be influenced by the significant 43 in 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 the influence of man-made CO2 on the climate.
Dr Parker and his colleagues have 45 out a detailed record of the trees on a(n) 46 basis since 1987.They calculated that due to the global warming the forest is producing 47 tons of wood each year.
The scientists _ 48 _ the land with trees at different stages of growth and found that both young and old trees were showing increased growth rate.More than 90 per cent of the tree groups had grown by between two and four times faster than the scientists had 49 from estimates of the long-term rates of growth.
Ⅲ.Reading Comprehension
Section A
Directions: For each blank in the following passage there are four words or phrases marked A,B, C and D.Fill in each blank with the word or phrase that best fits the context.
The first attempt of even the most talented artists, musicians, and writers is seldom a masterpiece, If you consider your drafts as dress rehearsals (彩排), or tryouts, revising will seem a natural part of the writing 50 .
What is the purpose of the dress rehearsals and the out-of-town previews that many Broadway shows go through? The answer is adding, deleting, replacing, reordering, 51 revising.Andrew Lloyd Webber's musical Phantom of the Opera underwent such a process.
When Lloyd Webber began writing in 1984, he had in mind a funny, exciting production.However, when Phantom opened in London in 1986, the audience saw a moving psychological love story set to music.The musical had.52 several revisions due, in part, to

