Question

LONDON(Reuters)－Ecotourism(生态旅游)is causing a lot of damage to wildlife and may be endangering the survival(生存)of the very animals people are flocking to see, according to researchers． 　　Biologists and conservationists(自然环境保护论者)are worried because polar bears, dolphins, penguins and other creatures are getting stressed and losing weight and some are dying． 　　“Evidence(证据)is growing that many animals do not react well to tourists in their back yard．”New Scientist magazine said． 　　The immediate effects researchers have noticed are changes in behavior, heart rates, or stress hormone levels but they fear it could get much worse and over the long term“could endanger the survival of the very wildlife they want to see”． 　　Although money produced through ecotourism, which has been growing at about 10～30 percent a year, has major benefits for poor countries and people living in rural areas, the Swiss-based World Conservation Union and some governments fear not all projects are audited(审计)and based on environmentally friendly policies, according to the magazine． 　　“The transmission(传播)of disease to wildlife, or small changes to wildlife health through disturbance of daily life or increased stress levels, while not obvious to the casual observer, may translate to lower survival and breeding．”said Philip Seddon, of the University of Otago in Dunedin, New Zealand． 　　Scientists have noticed that bottleneck dolphins along the northeastern coast of New Zealand become nervously excited when tourist boats arrive．Similar changes in behavior have been observed in polar bears and yellow－eyed penguins in areas visited by ecotourists are producing smaller babies． 　　Conservationists are now calling for more research into the effect of ecotourism on animals and say the industry must be developed carefully．They also want studies done before new ecotourism projects are started． 　　“The animal's welfare should be very important because without them there will be no ecotourism．”said Rochelle Constantine of the University of Auckland in New Zealand． (1) What's the text mainly about? [　　] A． Many animals are dying because of lack of money． B． There will be no ecotourism without animals． C． Ecotourism could endanger the survival of the wildlife people want to see． D． More research should be done on ecotourism． (2) We may learn from the text that ________． [　　] A． ecotourism must be developed properly B． polar bears are losing weight without enough food C． all the poor countries have stopped ecotourism D． money produced through ecotourism should be spent on wildlife (3) Which of the following is NOT mentioned in the text? [　　] A． Many animals do not react well in their backyard． B． Polar bears in areas visited by ecotourists are producing smaller babies． C． Ecotoursim has been growing at about 10 ～30 percent a year． D． Studies should be done before new ecotourism projects are started． (4) What Rochelle Constantine said in the last paragraph implies that ________． [　　] A． if people want to get high income, they must develop ecotourism B． animals have rights to live their own life C． animals are people's good friends D． people should take good care of wildlife

Answer 1

答案：1．C;2．A;3．B;4．D;
解析：

(1)	主旨题．本文属新闻报道，第一段就是本文的中心思想：生态旅游危及动物的生存．把握文章文体特点有助于对文章的理解．
(2)	细节理解题．从倒数第二段的第一句可知A项正确：Conservationists are now calling for more research into the effect of ecotourism on animals and say the industry must be developed carefully．call for呼吁，需要；research into对……进行深入的研究．
(3)	细节推断题．从倒数第三段最后一句可知：Similar changes in behavior have been observed in polar bears and yellow－eyed penguins in areas visited by ecotourists are producing smaller babies．本句说明出生的“幼崽”不是polar bears，而是yellow－eyed penguins．
(4)	句意猜测题．结合上下文可作出正确判断：动物和人类是互相依存的关系，因此为了自己的生存，人类应保护动物．