Unit 1 Man and Nature 英语单元作业

Unit 1 Man and Nature

Homework

Task 1 Directions: Classify the following natural resources as Renewable or non-renewable resources.Coal, Sunlight, Wind, Petroleum, Food, Fossil fuels, Water, Minerals

Task 2 Directions: Decide what type of impact the following instances refer to.Word Bank

overfishing;overconsumption;coal mining, soil erosion

1.We want to build highways across the Serengeti to get more rare earth minerals for our cellphones.2.We grab all the fish from the sea, wrecking the coral reefs.3.Six million hectares of agricultural land per year had been lost to soil degradation since the mid-1940s.4.The inhabitants of the developed nations of the world consume resources like oil and metals at a rate almost 32 times greater than those of the developing world, who make up the majority of the human population.5.In 2008, coal particulates pollution are estimated to shorten approximately 1,000,000 lives annually worldwide.Task 3 Directions: The following passage explains why Lake Urmia in Iran dries up in 30 years.Fill in the missing words which first letter is provided.The lake is drying out because of a c(综合)of factors.Over the past decades, agricultural area has t(增至三倍).This resulted in a high irrigation water d(需求), surface flow diversions and groundwater

e(提取).E(有效的)water management s

b(处于落后).During the same period, a s(显著的)decrease in precipitation and an I(渐增的)trend in average m(最高)temperature took place.Task 4 Directions: Revise the unbalanced part so that it matches the other item or items in the sentence.1.In many ways, starting college at forty is harder than to start at eighteen.2.Langston Hughes(1902-1967)wrote plays, poetry, and he was an essayist.3.Melissa likes reading mystery novels, to listen to bluegrass, and playing golf.4.Studying a little every day is more effective than to cram.5.Janine is very talented: she is a gourmet cook, a published poet, and she takes great photographs.Task 5 Directions: Decide which of the following statements refer to the Man-Nature relation that is man lives in the realm of nature.1.Nomadic hunter-gatherer tribes used to roam the lands, following the ebb and flow of the seasons.2.Humans are an integral part of nature.3.Man is set apart from nature and called to dominate it.4.Nature inspires fear in man who has had to fight it in order to survive.5.From the smallest microorganisms to the largest animals, all life on Earth has a common ancestor.6.With technological advancements, nature became something we were no longer apart of and entirely subject to, but something that we could control and profit off of.Task 6 Directions: Decide which statements are about recommendation for solutions to the crisis of ecological situation(Recommendation)or prediction about future consequences of the man-nature imbalance(Prediction).1.Man could destroy himself and the Earth if we don’t restore and sustain global resources and raise awareness about our actions.2.Through a universal education curriculum, it is possible to encourage people everywhere to consider themselves as part of a larger picture.3.If we continue to encourage expansion and development it is very likely that we will see major effects in climate and ecology.4.In order to bring about necessary change it is critical that people take action.5.In order for the Earth to retain its balance, it is important that we not overstep our bounds as a species.6.Man’s materialistic progress will find a dire consequence in the destruction of the environment.Task 7 Directions: The connotations of words vary in different contexts.Decide if the words Aggressive and So-called has Neutral, Positive or Negative connotation in each of the following sentences.1.The government has made aggressive efforts to deal with the spread of HIV/AIDS.2.He is a very good but not aggressive basketball player.3.A successful businessman has to be aggressive.4.The government does not accept the result of the so-called “referendum” in the East Ukraine.5.The government is reviewing various options available for mitigating the health threats posed by so-called “mad cow disease.”

6.The so-called experts couldn’t tell us what was wrong.Task 8 Directions: Match the meaning of nature with the appropriate sentence with it.

1.Scientists investigate the nature.2.The need to be loved inheres in human nature.3.I think I misunderstood the nature of this event.4.Many poets and artists have drawn their inspiration from nature.5.If so, this could hint at the nature of dark matter.Task 9 Directions: Fill in the blanks with the appropriate forms of Transfer.1.The dog has its affection to its new master.2.On the energy front, we must tackle difficult issues like technology , investment, and climate finance.3.The license is non-exclusive, non-and time limited.4.He intends to the property to his daughter.5.XML becomes the mainstream technology for and manipulating data.Task 10 Directions: Fill in the table the appropriate negative prefixes to be attached to the words.

Key

Task 1

Coal, Sunlight, Wind, Petroleum, Food, Fossil fuels, Water, Minerals

Task 2

1.overconsumption 2.overfishing 3.soil erosion 4.overconsumption

5.coal mining

Task 3

The lake is drying out because of a combination(综合)of factors.Over the past decades, agricultural area has tripled(增至三倍).This resulted in a high irrigation water demand(需求), surface flow diversions and groundwater extraction(提取).Efficient(有效的)water management stayed behind(处于落后).During the same period, a significant(显著的)decrease in precipitation and an increasing(渐增的)trend in average maximum(最高)temperature took place.Task 4

1.In many ways, starting college at forty is harder than to start(starting)at eighteen.2.Langston Hughes(1902-1967)wrote plays, poetry, and he was an essayist(essays).3.Melissa likes reading mystery novels, to listen(listening)to bluegrass, and playing golf.4.Studying a little every day is more effective than to cram(cramming).5.Janine is very talented: she is a gourmet cook, a published poet, and she takes great photographs(a great photographer).Task 5 1, 2, 5

Task 6

Recommendation: 2;4;5

Prediction: 1;3;6

Task 7

1.Positive 2.Positive 3.Positive 4.Negative 5.Neutral 6.Negative

Task 8

1.C 2.B 3.A 4.C 5.A

Task 9

1.transferred 2.transfer 3.transferable 4.transfer 5.transferring

Task 10