题目内容

The concept of a working holiday is fairly simple.It is a vacation which normally lasts for several weeks or even months,during which you divide your time between work and recreation.The typical working holiday includes some manual labor and sightseeing.You can usually get room and board in exchange for a few hours of work.For instance,Australia and New Zealand encourage working holidays by offering one-year visas to people between the ages of 18 and 30.Countries all over the world offer the chances to work or volunteer and live in a new environment.All you need is a return ticket and enough cash to live on.

While some people choose to work in restaurants or hotels,others may do fruit picking which is perhaps the most popular type of work.Be prepared for long working days in the orchard,which may last up to ten hours a day.If you are not ready for this,a more leisurely job with shorter hours is possible,but you will not make as much money.Another option is volunteering in foreign countries.For example,you can work with disabled children in Bolivia and practice your Spanish,research dolphins and whales in Italy,or build schools in rural towns in Ghana.

A working holiday is a great way to broaden your horizons since it gives you the chance to explore a country,practice a new language,and meet people from all over the world.These kinds of adventures sometimes have a really big impact on those who have experienced a working holiday.They often say that it was one of the best memories of their lives.Be aware! Even though some working vacation programs pay,not all of them do sometimes you end up paying to go on working vacation.However,a working holiday can get you off the beaten track and into spots the average tour bus would never go near.

1.What can you get in exchange for a few hours of work?

A. Recreation and money. B. A return ticket.

C. Free transportation. D. Meals and shelter.

2.What’s the second paragraph mainly about?

A. The idea of a working holiday. B. Ways to spend a working holiday.

C. Great places for a working holiday. D. Volunteering in foreign countries.

3.What does “the beaten track” in the third paragraph refer to?

A. Roads in poor condition. B. Broken railway tracks.

C. Routes taken by many tourists. D. Spots where you might get beaten.

4.What does the writer remind readers to do in the last paragraph?

A. Check what you must pay for. B. Meet proper people.

C. Be prepared for adventures. D. Broaden your horizons.

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Most cars have seat belts as part of their equipment. Seat belts protect drivers and passengers in case of accidents. They also reduce the effect of a crash on the body.

1.Worldwide, the devices have protected up to a million people. America first recognized the invention of an automobile seat belt in 1849. The government gave a patent to an engineer named Edward Claghorn of New York City so that others would not copy his invention of a safety device. 2.This early version of safety belt was said to include hooks and other attachments for securing the person to a fixed object.

Other inventors followed with different versions of the seat belt. 3. It resulted from the work of a Swedish engineer, Nils Bohlin. His three-point, lap and shoulder seat belt first appeared on cars in Europe 50 years ago.

Nils Bohlin recognized that both the upper and lower body needed to be held securely in place. His invention contained a cloth strap(带子) that was placed across the chest and another strap across his hips(臀部).4.

Volvo was the first company to offer the modern seat belt to its cars. This company also provided use of Nils Bohlin's design to other car-makers.

5.He received a gold medal from the Royal Swedish Academy of Engineering Sciences in 1995. He died in Sweden in 2002.

A. Claghorn called his invention a safety belt

B. The design joined the straps next to the hip.

C. The Swedish engineer won many honors for his seat belt.

D. Safety experts say that seat belts save thousands of lives a year in America alone.

E. There are many companies adopting Nils Bohlin's invention of the belt.

F. Claghorn was a promising young engineer with many honors all his life.

G. But more than 100 years passed before the current seat belt was developed.

Walking alone on a remote beach in southwest Florida, I was surprised to hear splashes coming from the water. As I walked in the _______ of the sounds, I saw a manatee(海牛) show its head out of the water, _______a great snuffling(带鼻音的) breath. It seemed that it was in _______and trying to get out of it.

I'd never seen a _______ like this before. I wanted to _______, but there was no one else on the beach. So I went into the shallow water and went toward the animal. I came _______enough to make out the manatee. Then, a second manatee, much smaller, appeared beside it. _______, the manatees were also moving toward me. Soon I was _______by several manatees. I could clearly see the larger manatee _______the little one up with her flipper(鳍状肢) and pushed it to the ________beside me.

As the two slipped underwater, two other manatees moved up from behind, one on either side, ________gently against my body as they swam past. They circled and________ the action, this time ________by the mother and her baby. I held my hand out touching their back as they passed me. Since they obviously enjoyed touching me, I began ________each of them as they swam by.

I stood there enjoying the scene, ________to move, until finally the rising tide forced me back to the shore. Later I knew exactly what took place that morning. The manatees ________me in their celebration of a birth and I was welcome to meet the ________member of their family.

During that unexpected scene, I felt more involved in the rhythms of ________on our earth than ever. Each year, I head for that ________for a quiet little birthday picnic on the shore. After all, you never know who might ________up for your party.

1.A. direction B. condition C. middle D. side

2.A. making out B. putting out C. coming out D. letting out

3.A. force B. trouble C. loss D. action

4.A. look B. feel C. sight D. smell

5.A. leave B. see C. find D. help

6.A. close B. soon C. quick D. straight

7.A. Luckily B. Personally C. Unexpectedly D. Sadly

8.A. watched B. surrounded C. attacked D. separated

9.A. turn B. eat C. throw D. hold

10.A. field B. surface C. pool D. bank

11.A. rubbing B. preventing C. surfing D. comforting

12.A. practiced B. changed C. repeated D. showed

13.A. seen B. followed C. taught D. ordered

14.A. moving B. hitting C. catching D. touching

15.A. unwilling B. ready C. unable D. afraid

16.A. invited B. protected C. included D. fought

17.A. best B. oldest C. toughest D. newest

18.A. life B. music C. world D. development

19.A. boat B. hill C. beach D. scene

20.A. build B. show C. look D. step

DNA(Deoxyribonucleic acid)is one of the most important discoveries in science. DNA is the plan for the human being,as a blueprint is the plan for building. DNA makes a person look the way he does. A person’s DNA comes from a mixing of his parents’ DNA. That’s why a child looks like his parents. But,besides controlling things such as height and hair color,DNA can also give people diseases. Scientists are now studying DNA to cure(治疗) diseases.

In the seventies, scientists developed a process called recombinant (重新组合) or RDNA. Although it sounds difficult to understand,RDNA simply means taking DNA from one animal or plant and putting it into another. By doing so,scientists can create new beings. In doing so,scientists can better understand DNA, especially what parts of DNA do. After they understand DNA,scientists can begin to cure diseases. Often,the new being created itself will be the cure.

Besides curing diseases,RDNA research can also do other things. For example, scientists in Japan have already created “super-trees”. Trees help humans,because they take CO2, which poisons humans, from the air and turns it into oxygen, which lets humans breathe. “Super-trees” do this too,but do it much faster. As things such as cars and factories have already put much CO2 in the area,“super-trees” are badly needed.

Unfortunately,there is serious danger in RDNA research. Scientists want to create animals to cure old diseases,but these new animals may also create new diseases. It will be a serious problem if the animals escape from the science laboratory and into nature. As these animals are not natural, they may let loose many new powerful diseases.

As a result,RDNA research will create many solutions(解决方案),but it will also create many problems.

1.From the passage, we can know that a boy looks like his parents because .

A. he is son of his parents

B. his parents’ DNA decides his appearance

C. he has received DNA from his father or his mother

D. scientists have put some of his parents’ DNA into him

2.The following statements are true about RDNA research EXCEPT

A. RDNA research will benefit human beings a lot

B. super-trees might be widely planted around the world

C. scientists have not completely understood DNA

D. the research has been stopped because the created animals carry virus (病毒)

3.What does the underlined expression “let loose” in paragraph 4 probably mean?

A. let...go free B. get rid of (去除) C. absorb (吸收) D. survive

4.What is the best title for the passage?

A. The DNA Research in Japan

B. A New Way of DNA Research in Japan

C. The Advantages and Disadvantages of RDNA

D. The Causes and Effects of DNA Research

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