题目内容
As more and more cars are produced and used, so the _____ from their exhaust-pipes contains an even larger volume of poisonous gas.
A. exposure B. distribution C. expansion D. emission
D
解析:
emission散发物,发射。exposure(to)暴露于:They believe that their health problems are the result of years of exposure to fine cotton dust.(他们认为,他们的健康问题是多年来暴露于棉花粉尘所致。)expansion膨胀,扩大;Heat causes the expansion of gas.本题译文:正如汽车的生产和使用越来越多一样,汽车的排气管的散发物内所含的有毒气体量也在增加。
Water costs money.In some places water is hard 16 .What 17 when a town has these problems?A small town in California found a happy 18 .
Very 19 rain fell there.The town had no water of its 20 .The water it used was 21 from a river 300 miles away.As more people 22 live in the town, 23 water was needed.Now water 24 to be brought in from 600 miles away.All these cost 25 money.
The town 26 a plan.It found 27 to clean its “dirty” water.Once the cleaned water was reused 28 many ways.Five 29 lakes were built.Here people could swim and fish and go 30 .They 31 have picnics in their new parks.Farmers had more water 32 their crops.New factories can be built,because they have 33 .
In most places,water is used and thrown 34 .The town that saved 35 water has saved the town!
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The marine environment is fascinating to study and work in due to its beauty, richness, and complexity. It covers three quarters of the surface of the Earth, yet we know more detail about the surface of Mars.
In the past, it was seen as both an inexhaustible resource and a bottomless sink for our wastes. Yet the increasing pressures of overpopulation, pollution and the threat to our natural environment mean that there is an increasing need for scientists who can understand how it all works, how it affects us, and how we are affecting it from global warming through to the smallest plankton.
From local issues to global concerns, we now know that the marine environment is inextricably linked to our lives, and to our future survival. It is an area where much remains to be discovered, and where only a multidisciplinary approach can cover the breadth of issues to be confronted. This is the approach taken on our Marine Environmental Science degree course.
This course takes a multi-disciplinary approach to explore and understand the marine environment. After an initial grounding in basic science, optional choices are available in specialist topics such as marine ecosystems and pollution, coastal navigation and oceanography, among others.
Our new harbor side marine laboratory is used for some of the specialist lectures, laboratory and project work, while a week's residential field course in the Isle of Man provides training to prepare for the research project conducted in your final year. There is an optional trip to Belize in the final year to study tropical marine environments.
【小题1】 From the passage, we can infer that ______.
A.people waste a lot of resource |
B.marine environment covers 3/4 of the surface of Mars |
C.marine environment is beautiful for its sufficient resources |
D.the Earth is similar to Mars |
A.the relationship between people’s actions and natural environment |
B.the relationship between people’s actions and pollution |
C.the relationship between people’s actions and overpopulation |
D.the relationship between people’s actions and plankton |
A.we can choose some issues as optionally as we can |
B.we have practiced the approach for a long time |
C.the approach is linked to our future survival |
D.the approach covers a lot of problems we will meet |
A.1 | B.2 | C.3 | D.4 |
A. make lectures about the issues to be confronted
B. provide training to get ready to do research project
C. take several days residential field in the Isle
travel to Belize to study tropical marine environments
Answers: