Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word orphrasethat best fits eachof the numbered blanks.
More than two hundred years ago, the term “environmental pollution” was quite strange to people. They lived healthily, drank (39)_____ water and breathed fresh air. In those days, industry was not well-developed. Nowadays, the situation is quite different. The world today is faced with many (40)_____ threats. People all over the world are (41)______ about things that are happening to the environment. Actually, it is man (42)______ is destroying the surroundings with many kinds of wastes from the devices that makes human live more comfortable and convenient. Everybody knows that motorbikes and cars emit dangerous gases that cause poisonous air and cancer, but no one wants to travel on foot or by bicycle. Manufactures know that wastes from factories make water and soil polluted, but they do not want to spend a lot of their money on (43)_____ the wastes safely. Scattering rubbish is bad for our health, but no one wants to spend time burying it. Is it worth talking a lot about pollution?
(40)
A.chief
B.significant
C.major
D.main

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V- Read the following passage  and mark the letter (A, B, C or D) on your answer sheet to indicate the correct answer to each for  the questions. 
           
            The Beatles became the most popular group in rock music history. This quartet of extraordinarily talented musicians generated a phenomenal number of pieces that won gold records. They inspired a frenzy that transcended countries and economic strata. While all of them sang, John Lennon and Paul McCartney wrote the majority of their songs. Originally, Lennon and five others formed a group called the Quarrymen in 1956, with McCartney joining them later that year. George Harrison, John Lennon, and Paul McCartney, together with Stuart Sutcliffe, who played the bass guitar, and Pete Best on the drums, performed together in several bands for a few years, until they finally settled on the Silver Beatles in 1960. American rock musicians, such as Chuck Berry and Elvis Presley, influenced Lennon’s and McCartney’s music, whose first hits consisted of simple tunes and lyrics about young love, “Love Me Do” and “Please, Please Me” The Beatles’ U.S. tour propelled them to stardom and led to two movies A Hard Day’s Night and Help!, filmed in 1964 and 1965. The so-called British invasion of the United States was in full swing when they took the top five spots on the singles charts, followed by the release of their first film.
          During the 1960s, their music matured and acquired a sense of melody. The lyrics of their songs became deeper and gained in both imagination and meaning. Their popularity continued to grow as the Beatles turned their attention to social problems and political issues in “Nowhere Man” and “Eleanor Rigby.” Loneliness and nostalgia come through in their ballads “Michelle” and “Yesterday,” which fully displayed the group’s professional development and sophistication. Lennon’s sardonic music with lyrics written in the first person, and McCartney’s songs that created scenarios with off beat individuals, contributed to the character of the music produced by the group. In addition to their music, the Beatles set a social trend that popularized long hair, Indian music, and mod dress.
          For a variety of reasons, the musicians began to drift apart, and their last concert took place in San Francisco in 1966. The newspapers and tabloids publicized their quarrels and lawsuits, and the much idolized group finally disbanded in 1970. However, their albums had outsold those of any other band in history. Although all of the Beatles continued to perform solo or form new rock groups, alone, none could achieve the recognition and success that they had been able to win together.
What does the passage mainly discuss?
A.The history and music of the Beatles
B.The history and milestones of rock music
C.The fashion and music popular in the 1960s
D.The creation and history of a music group

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 35 to 42.
Tropical rainforests are being destroyed and badly degraded at an unsustainable rate. Some scientists estimate that in the early 1990s tropical forests were being destroyed at a rate of approximately 28 hectares a minute, or about 14 million hectares each year – an area about the size of the state of Wisconsin. This figure marked a decrease since the 1980s, when approximately 16 million hectares were destroyed each year, largely due to a reported decline of deforestation in the Amazon River Basin in the early 1990s. However, satellite images indicate that rates may have rebounded in the late 1990s as burning in the Amazon increased again. Over the past three decades alone, about 5 million square kilometers – or 20 percent of the world's tropical forests – have been cleared. During this time, deforestation in tropical Asia reached almost 30 percent. High rates of deforestation are inevitably followed by alarming rates of plant and animal extinction because many rainforest species cannot survive outside their pristine rainforest habitat. Some scientists estimate that dozens of rainforest species are becoming extinct every day.
Causes of deforestation vary from location to location, but certain patterns tend to be consistent across all forests. Logging companies in search of valuable rainforest hardwoods, or, less often, oil companies in search of petroleum, are often the first to enter a remote area of rainforest. Some logged forests, if left alone, can regenerate in a few decades. But typically, they are not left alone – the roads built by logging companies often provide access for landless farmers to enter a new area, as well as a means to transport agricultural crops to market. For every 1 kilometer of new roads built through a forested area, 4 to 24 square kilometers are deforested and colonized.
Once the loggers leave the land, a typical cycle of destruction ensues. When the landless farmers arrive, they clear the land for planting. Poor rainforest soils produce a low crop yield, especially after a couple of years. At that point, the farmers often sell their lands to cattle ranchers or large plantation owners. After nutrients have been exhausted and soils compacted by cattle, lands are then abandoned and often laid to waste. Rainforest does not readily regenerate on these lands without human intervention. Meanwhile, the colonist farmers and cattle ranchers move to a new piece of land made accessible by logging roads, where the cycle of deforestation begins again.
(Source: Microsoft ® Encarta ® 2009. © 1993-2008 Microsoft Corporation)
The word "rebounded" in paragraph 1 could be best replaced by                                      .
A.fallen again 
B.remained unchanged  
C.risen again  
D.gone up and down