Choose the word which has the underlined part pronounced differently from the rest.
Question 1:
Question 2:
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Question 5:
Choose a, b, c, or d that best completes each unfinished sentence, substitutes the underlined part, or has a close meaning to the original one.
Question 6: _____ is a branch of Natural Science, and is the study of living organisms and how they interact with their environment.
Question 7: A/an _____ species is a population of an organism which is at risk of becoming extinct.
Question 8: Only a few of the many species at risk of extinction actually make it to the lists and obtain legal ______.
Question 9: Probability of extinction depends _____ both the population size and fine details of the population demography.
Question 10: Many modern medicines are derived _____ plants and animals.
Question 11: 15,589 species (7,266 animal species and 8,323 plant species) are now considered ______ risk ______ extinction.
Question 12: Internationally, 189 countries have signed ______ accord agreeing to create Biodiversity Action Plans to protect endangered and other threatened species.
Question 13: Known worldwide by its panda logo, World Wildlife Fund (WWF) is dedicated to protecting ______ world’s wildlife and the rich biological diversity that we all need to survive.
Question 14: WWF is _____ leading privately supported international conservation organization in the world, and has sponsored more than 2,000 projects in 116 countries.
Question 15: Many nations have laws offering protection to these species, such as forbidding hunting, restricting land development or creating ______.
Question 16: Being listed as an endangered species can have negative effect since it could make a species more desirable for collectors and poachers.
Question 17: World Wide Fund for Nature was formed to do the mission of the preservation of biological diversity, sustainable use of natural resources. and the reduction of pollution and wasteful consumption.
Question 18: The Bali Tiger was declared extinct in 1937 due to hunting and habitat loss.
Question 19: It is found that endangered species are often concentrated in areas that are poor and densely populated, such as much of Asia and Africa.
Question 20: ______ is the existence of a wide variety of plant and animal species living in their natural environment.
Question 21. She _____ be ill. I have just seen her playing basket ball in the school yard.
Question 22: Hiking the trail to the peak ______ be dangerous if you are net well prepared for dramatic weather changes. You ____ research the route a little more before you attempt the ascent.
Question 23: Peter has been working for 10 hours. He _______ be very tired now.
Question 24: He is unreliable. What he says_____.be believed?
Question 25: I ______ find my own way there. You _____ wait for me.
Question 26: I was reading the book last night before I went to bed. I never took it out of this room. It's be lying around here somewhere. Where ____ it be?
Question 27. When you have a small child in the house, you _____ leave small objects lying around. Such objects ____ be swallowed, causing serious injury or even death.
Question 28: Frank’s wallet is lying on the coffee table. He _____ it here last night.
Question 29: Jenny’s engagement ring was precious! It ______ have cost a fortune.
Question 30: You _____ take your umbrella along with you today. It ____ rain later on this afternoon.
Choose a, b, c, or d that best fills in the blank.
Question 31:I have done this math problem at least twenty times, but my answer is wrong according to the answer key.
Question 32: When I was a child, as we were having dinner, my grandmother always used to say, “ _____ ”.
Question 33: _____ We have till got plenty of food.
Question 34: John passed his exam with a distinction. _____.
Question 35: ______. We got there far too early.
Read the passase carefully and choose the correct answer.
We live in a dynamic world, and habitats are always undergoing changes at all sorts of levels. However, natural changes usually occur at a slow pace so that impacts on individual species tend to be slight — at least in the short term. When the pace of change 1s greatly accelerated, there may be no time for individual species to react to new circumstances, and the effects can be disastrous.
Briefly, this is the reason that rapid habitat loss is regarded as the chief cause of species endangerment, and there is no force more powerful in this regard than human beings. To some extent, every part of the earth has been affected by human activities, especially during this past century. This applies on virtually every scale, from the loss of microbes in soils that once supported tropical forests, to the extinction of fish and other aquatic species in polluted freshwater habitats, to changes in global climate caused by the release of greenhouse gases.
From the perspective of an individual human lifetime, such changes may be hard to detect and their effects on individual species may be hard to predict. But the lesson is clear enough. For example, although many countries have had plans to grow many tropical forests, they are highly susceptible to destruction because the soils in which they grow are poor in available nutrients. Centuries may be required to bring back a forest that was cut down or burnt out in the space of a few years. Many of the world’s severely threatened animals and plants live in such forests, and it is certain that huge numbers of them will disappear if present rates of forest loss continue.
Question 36: Habitats in the world are unchangeable and fixedly exist.
Question 37: All species can adapt themselves to new circumstances easily and quickly.
Question 38: Human beings are the main cause that leads to rapid habitat loss.
Question 39: Many kinds of fish are also in danger of extinction because water habitats are polluted.
Question 40: Many countries have grown as many tropical forests as they destroyed in the past years.
Fill in each numbered blank with one suitable word or phrase.
The World Wide Fund for Nature (WWF) is an international (Question 41) ______ - governmental organization for the (Question 42) _____, research, and restoration of the environment. The organization was (Question 43) _____ as a charitable trust on September 11, 1961, in Morges, Switzerland, under the name World Wildlife Fund. It was an initiative of Julian Huxley and Max Nicholson.
It is the world's largest independent conservation organization with over 5 million (Question 44) _____ worldwide, working in more (Question 45) ____ 90 countries, supporting 100 conservation and environmental projects around the world. It is a charity, with (Question 46) _____ 9% of its funding coming from voluntary (Question 47) ________ by private individuals and businesses.
The group says its mission is “to halt and reverse the (Question 48) _____ of our environment”. Currently, much of its work focuses on the conservation of three biomes,thaty cantain,.most of the world’s biodiversity: forests, freshwate ecosystems, and oceans and coasts. Among other issues, it is also concerned (Question 49) _____ endangered species, pollutions, and climate change. The organization (Question 50) ____ more than 20 field projects worldwide. In the last few years, the organization set up offices and operations around the world.
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