Đề ôn tập kiểm tra môn Tiếng Anh Lớp 12 - Đề D

TEST YOURSELF D
I. Choose the word which is stressed differently from the rest.
a. weapon 	b. become 	c. country 	d. decade
a. habitat 	b. century 	c. difficult 	d. prohibit
a. ivory 	b. punishment 	c. government 	d. destruction
a. population 	b. particular 	c. recovery 	d. illegally
a. continent 	b. however 	c. elephant 	d. tropical
II. 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. 
Hunting wild animals is prohibited ___ law in many countries but it does not seem to be effective.
a. in 	b. on 	c. with 	d. by
A ban was given _______ all trade in ivory in 1989.
a. with 	b. on 	c. for 	d. from
There was a huge decline _______ the number of panda.
a. in 	b. for 	c. of 	d. out
She was involved in conservational ____ and began to devoted herself to the wildlife protection .
 a. act 	b. action 	c. activity 	d. acting
According to present law, the authorities can give poachers a severe _______.
a. punish 	b. punishable 	c. punishment 	d. punishing
Many Asian people _______ like hunting elephants for their ivory and tigers for their bones.
a. particular 	b. particularity 	c. particularly 	 	d. particularize
A _______ is the skin of a large animal such as a cow, horse, or elephant, which can be used for making leather.
a. tooth 	b. hide 	c. ivory 	d. tusk
Many wildlife parks have been installed security cameras to guard against _______ who regularly hunt wild animals illegally.
a. poachers 	b. conservationists 	 c. environmentalists 	d. authority
It is _______ that about 700 deer have been killed in the last few years due to their horns.
a. declined 	b. grown 	c. damaged 	d. estimated
We use _______ to attack or to fight against other people.
a. weapon 	b. hide 	c. punishment 	d. poaching
_______ is a hard cream-colored substance which forms the tusks of elephants. It is valuable and can be used for making carved ornaments.
a. Horn 	b. Tooth 	c. Ivory 	d. Hide
In 1989, a ban was given on all international trade in ivory.
a. action 	b. contamination 	c. destruction 	d. prohibition
Unrestricted whaling during the 20th century is _______ example of overexploitation.
a. a 	b. an 	c. the 	d. Ø
Due to the trade in animal parts, many species continue to suffer high rates of _______ exploitation.
a. a 	b. an 	c. the 	d. Ø
The whaling industry brought many species of _______ whales to extremely low population sizes.
a. a 	b. an 	c. the 	d. Ø
I can't find my book anywhere. I _______ have left it on the train. I am not sure.
a. must 	b. needn't 	c. should 	d. might
You _______ lunch. We have already eaten.
a. need preparing 	b. needn't have prepared
c. should prepare 	d. should have prepared
If I had gone to the University of Miami, I _______ in their Spanish immersion program.
a. should' participate 	b. needn't participate
c. could have participated 	d. must have participated
Let's do something to protect the environment, _______ we?
a. must 	b. need 	c. will 	d. shall
I will do everything. You _______ do anything unless you really want to.
a. may 	b. needn't 	c. must 	d. ought to
You ___ forget to learn the lesson by heart. The new teacher is so strict.
a. needn't 	b. mustn't 	c. mayn't 	d. mightn't
They _______ be away for the weekend, but I am not sure. 
a. might 	b. can 	c. must 	d. should
You _______ now if you wish.
a. must leave 	b. may leave 	c. need leaving 	d. mustn't leave
You _______ worry so much. I will help you.
a. must 	b. mustn't 	c. might not 	d. needn't
If there is anything you _______. Let me know.
a. must 	b. should 	c. need 	d. may
III. Error identification.
In several parts of Asia, there is still a strong market for traditional medicines making from 
 A B C
these animal parts.
 D
Disease, pollute, and limited distribution are factors that threaten various plant and animal species. 
 A B C D
If a species does not have the natural genetic protection against particular diseases, an introduced 
A B C
 disease can have severely effects on that species. 
 D
A species that faces overexploitation is one that may become severely endangered or even extinct 
 A B
due to the rate in that the species is being used. C D
When several whale species were nearly extinct, the number of nations, including the United States,
 A B C D
 agreed to abide by the international laws on whaling. 
IV. Read the passage carefully and choose the correct answer.
Plants and animals hold medicinal, agricultural, ecological value. Endangered species must be protected and saved so that future generations can experience their presence and value. 
Plants and animals are responsible for a variety of useful medications. In fact, about forty percent of all prescriptions written today are composed from the natural compounds of different species. These species not only save lives, but they contribute to a prospering pharmaceutical industry worth over $40 billion annually. Unfortunately, only 5% of known plant species have been screened for their medicinal values, although we continue to lose up to 100 species daily. The Pacific yew, a slow-growing tree found in the ancient forests of the Pacific Northwest, was historically considered a "trash" tree. However, a substance in its bark was recently identified as one of the most promising treatments for ovarian and breast cancer. Additionally, more than 3 million American heart disease sufferers would die within 72 hours of a heart attack without digitalis, a drug derived from the purple foxglove.
There are an estimated 80,000 edible plants in the world. Humans depend upon only 20 species of these plants, such as wheat and corn, to provide 90% of the world's food. Wild relatives of these common crops contain essential disease-resistant material. They also provide humans with the means to develop new crops that can grow in inadequate lands such as in poor soils or drought-stricken areas to help solve the world hunger problem. In the 1970s, genetic material from a wild corn species in Mexico was used to stop a leaf fungus that had previously wiped out 15% of the U.S. corn crop. 
Plant and animal species are the foundation of healthy ecosystems. Humans depend on ecosystems such as coastal estuaries, prairie grasslands, and ancient forests to purify their air, clean their water, and supply them with food. When species become endangered, it is an indicator that the health of these vital ecosystems is beginning to unravel. The U.S. Fish and Wildlife Service estimates that losing one plant species can trigger the loss of up to 30 other insect, plant and higher animal species. The northern spotted owl, listed as threatened in 1990, is an indicator of the declining health of the ancient forests of the Pacific Northwest. These forests are the home to over 100 other old-growth dependent species, which are at risk due to decades of unsustainable forest management practices. Pollution off the coast of Florida is killing the coral reefs along the Florida Keys, which serve as habitat for hundreds of species of fish. Commercial fish species have begun to decline, causing a threat to the multi-million dollar tourism industry, which depends on the quality of the environment.
Plants and animals _______.
a. contain medicaments b. will not exist until the future generations can experience their value
c. do some harm to medication d. take no responsibility for medication
Plants and animals _______.
a. take up all recent prescriptions are	b. play no role in pharmaceutical industry
c. can be used to save lives	d. cause difficulty to pharmaceutical industry
According to the text, _______.
a. human beings do not like to use plants as medicine
b. human beings depend on plants for food and medicine
c. there is no disease-resistant material in edible plants
d. edible plants do not include wheat and corn
Which sentence is true?
a. Humans do not depend on ecosystem.
b. The loss of one species may lead to the 16ss of others.
c. Unsustainable forest management practices have no effects on species.
d. The coast of Florida does not suffer any pollution:
The word trigger has a close meaning to _______.
a. cause 	b. pollute 	c. contaminate 	d. decline
V. Fill in each numbered blank with one suitable word or phrase.
There are a (41) _____ of causes that can contribute directly or indirectly (42) _____ the extinction of a species or group of species. Just as each species is unique, and (43) _____ is each extinction. The causes for each are varied – some subtle and complex, others obvious and simple. Most simply, any species that is unable to (44) _____ or reproduce in its environment, and unable to move to a new environment where it can do so, will (45) _____ out and become extinct. Extinction of a species may come suddenly when a healthy species is wiped out completely, as when toxic pollution makes its entire. (46) _____ unlivable; or may occur gradually over thousands or millions of years, such as when a species gradually loses out in (47) _____ for food to better adapted competitors.
The question of whether more extinction in the fossil record have been caused by evolution or by catastrophe is a subject of discussion. When talking about species extinction has been raised, most expert concern with the (48) _____ of climate change and technological disasters. Currently, environmental groups and some governments are concerned (49) _____ the extinction of species caused by human beings, and are attempting to combat further extinctions through a variety of conservation programs. Humans can cause extinction of a species through overharvesting, (50) _____, habitat destruction, introduction of new predators and food competitors, overhunting, and other influences. 
a. popularity 	b. differences 	c. variety 	d. many
a. to 	b. for 	c. with 	d. at
a. otherwise 	b. so 	c. but 	d. or
a. damage 	b. deforest 	c. disappear 	d. survive
a. go 	b. put 	c. die 	d. take
a. nature 	b. reserve 	c. diversity 	d. habitat
a. compete 	b. competition 	c. competitor 	 	d. competitive
a. effects 	b. efforts 	c. destructions	 	d. punishment
a. for 	b. at 	c. about 	d. against
a. pollution 	b. planting 	c. raising 	d. agriculture
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