大学英语四级模拟试题四(附含答案解析)

范文范例精心整理 2. Scientists are trying to find a link

between pollution and .大学英语四级模拟题四B. birth problemsA. intelligence levels

试卷总s behaviorC. man 'D. the nervous system

六五二一四三核查人

3. Scientists have not yet determined .得分

A. all of the effects of pollution on the human body

B. how pollution can be controlled successfully

C. when the atmosphere first became polluted

D. how some snow becomes black 4. The author suggests that before air pollution becomes more serious, . ')(2Reading ComprehensionPart One'×10 = 20 A. factories will be forced to stop operating

B. buildings should be protected Each passage

is followed by somequestionsThere are 2 passages inthis section.Directions: C. the earth will begin to grow colder or unfinished statements. For each of them there are four choices marked A), B), C) and D). D. more money should be spent to solve the problem

You should decide on the best choice and mark the corresponding letter on the Answer Sheet 5. We can conclude that .with a single line through the centre. A. civilization may be ruined if pollution is not controlled

B. pollution is more serious in Europe than it is in America Passage One

C. most people do not know that pollution is a serious problem another.spread from citycanAirpollutioneven spreads from one countryIttocity.to

D. we should learn all the answers before we begin to control pollution from pollutantshad “”snow blackthat have traveledhavecountriesEuropeanSome northern

is reallyfromthethroughairpollutionsnow. So airwith thecountriesotherand have fallen Passage Two

a global problem. safebecauseofhealthandheelsStilettocouldbe banned fromthe

workplace（呼吸的）Air pollution can kill babies, older people, and those who have respiratory according to British Trade Union bosses. The Trade Union Congress, predominantly male, has diseases. As found in cities, air pollution increases the risks of certain lung diseases.

women whiletohighaproposedmotionarguingthatheelsaredisrespectful down visibilitycutsbecause itaccidentsand carairplanecan cause bothpollutionAir sen“contribute to long term injuries. They propose instead that women wear t know （能见度）' . There are other possible health dangers from air pollution that we don

as welland back painavoidtofuturefootheel limitwithan inchinan attempt much about. For example, scientists are trying to find out whether chemicals that reach us s conference. The motion states:'The motion is due to be debated at next month from the air may cause changes in our cells. These changes might cause babies to be born believes high heels may look glamorous on the Hollywood catwalks but are completely in with serious birth defects. Scientists are trying to learn how all the many chemicals are daibearfor theappropriateday-to-day