Nowadays more and more people are talking about genetically modified foods ( GM foods). GM foods develop from genetically modified organisms (有机体), which have had specific changes introduced into their DNA by genetic engineering techniques. These techniques are much more precise where an organism is exposed to chemicals to create a nonspecific but stable change. For many people, the hightech production raises all kinds of environmental, ethical, health and safety problems. Particularly in countries with long farming traditions, the idea seems against nature.
In fact, GM foods are already very much a part of our lives. They were first put on the market in 1996. A third of the corn and more than half the cotton grown in the U. S. last year was the product of biotechnology, according to the Department of Agriculture. More than 65 million acres of genetically modified crops will be planted in the US this year. The genetic genie is out of the bottle.
However, like any new product entering the food chain, GM foods must be subjected to careful testing. In wealthy countries, the debate about biotech is not so fierce by the fact that they have a large number of foods to choose from, and a supply that goes beyond the needs. In developing countries desperate to feed fastgrowing and underfed populations, the matter is simpler and much more urgent: do the benefits of biotech outweigh the risks?
The statistics on population growth and hunger are disturbing. Last year the world's population reached 6 billion. The UN states that nearly 800 million people around the world are unhealthy. About 400 million women of childbearing age don' t have enough iron, which means their babies are exposed to various birth defeats.As many as 100 million children suffer from vitamin A deficiency, a leading cause of blindness.
How can biotech help? Genetic engineering is widely used to produce plants and animals with better nutritional values. Biotechnologists have developed genetically modified rice and they are working on other kinds of nutritionally improved crops. Biotech can also improve farming productivity in places where food shortages are caused by crop damage attributable to drought, poor soil and crop viruses.
1.The passage mainly talks about________.
A. the world's food problem
B. the development in biotech
C. the genetically modified foods
D. the way to solve food shortages
2.According to the passage, GM foods________.
A. will replace naturally grown foods
B. are far better than naturally grown foods
C. may help to solve the problem of poor nutrition
D. can cause serious trouble in developing countries
3.The underlined sentence “The genetic genie is out of the bottle.” in Paragraph 2 probably means that________.
A. GM foods are available everywhere
B. the technology in producing GM foods is advanced
C. genetic technology may have uncontrollable powers
D. genetic technology has come out of laboratories into markets
4.What's the writer's attitude towards GM foods?
A. Enthusiastic. B. Cautious.
C. Disapproving. D. Unbelievable.
If you live in a big city, there are many things to drive you crazy on your daily route, and it’s not just overcrowded subway trains.
Vicky Zhao is a mainlander working in Hong Kong. For her, one thing she can’t put up with is people standing on the wrong side of the escalator(自动扶梯)in subway stations. “Escalators help us move faster and save time. It isn’t a place to rest,” the 24-year-old says. “I often see tourists block the way with their suitcases or chatting on the escalators during rush hours. It annoys me to no end.”
Admitting she is not the patient type, Zhao says things are much better in Hong Kong than in cities on the mainland where “stand right, walk left” signs are often ignored.
The logic behind the “stand right, walk left” escalator etiquette(礼仪)seems obvious. Even though you may want to catch your breath while you’re transported up or down, you should still consider others and leave enough space for people in a hurry, so that they can run and catch the train.
Many cities’ escalators, including London’s and Beijing’s, use the “stand right, walk left” system to speed up the flow of people.(Australia is an exception and you should stand on the left side instead.)But some cities discourage people from moving on escalators out of safety reasons. In Hong Kong’s subway stations there are regular announcements asking people to “stand still” on escalators. Even so, most people in this fast-paced city observe the “stand right, walk left” etiquette.
But the people who stand on escalators defend themselves by telling the walkers not to be so impatient. The BBC quotes one stander as saying:“If the person is in such a rush, why not just take the stairs? Even when the escalator is packed and there’s nowhere to move, I see these same people complaining about not being able to pass.
Whatever the escalator etiquette is in the place you live or visit, do what most people are doing and always be mindful of others: leave enough space between each other, don’t stay at the end of the escalator, and if someone is blocking your way, a simple “excuse me” is enough.
1.In the second paragraph, the underlined word It refers __________.
A.the author’s living in the big city of Hong Kong
B.being crowded on the subway trains m rush hours
C.people’s blocking the way or chat on the escalators
D.people’s standing on the right side resting
2.When on the escalator, a majority of local people in Hong Kong __________.
A.stand still as the railway stations require
B.ignore the “stand right, walk left” signs
C.use the stairs instead of escalators
D.follow the “stand right, walk left” etiquette
3.What can be inferred from the 6th paragraph?
A.Not everyone follows the “stand right, walk left” etiquette.
B.The BBC is against the “stand right, walk left” etiquette.
C.People should be patient and take the stairs if possible.
D.People shouldn’t complain about the crowded escalators.
4.Which of the following statements is the writer’s opinion?
A.People should stand right no matter where they are.
B.People should do as the Romans do and consider others.
C.People should do as they like on the escalators.
D.People should be seriously criticized when they block the way.
Some years ago, writing in my diary used to be a usual activity. I would return from school and spend the expected half hour recording the day's events, feelings, and impressions in my little blue diary. I did not really need to express my emotions by way of words, but I gained a certain satisfaction from seeing my experiences forever recorded on paper. After all, isn't accumulating memories a way of preserving the past?
When I was thirteen years old, I went on a long journey on foot in a great valley, well equipped with pens, a diary, and a camera. During the trip, I was busy recording every incident, name and place I came across. I felt proud to be spending my time productively, dutifully preserving for future generations a detailed description of my travels. On my last night there, I wandered out of my tent, diary in hand. The sky was clear and lit by the glare of the moon, and the walls of the valley looked threatening behind their screen of shadows. I automatically took out my pen...
At that point, I understood that nothing I wrote could ever match or replace the few seconds I allowed myself to experience the dramatic beauty of the valley. All I remembered of the previous few days were the dull characterizations I had set down in my diary.
Now, I only write in my diary when I need to write down a special thought or feeling. I still love to record ideas and quotations that strike me in books, or observations that are particularly meaningful. I take pictures, but not very often only of objects I find really beautiful. I'm no longer blindly satisfied with having something to remember when I grow old. I realize that life will simply pass me by if I stay behind the camera, busy preserving the present so as to live it in the future.
I don't want to wake up one day and have nothing but a pile of pictures and notes. Maybe I won't have as many exact representations of people and places; maybe I'll forget certain facts, but at least the experiences will always remain inside me. I don't live to make memories--I just live, and the memories form themselves.
1.Before the age of thirteen, the author regarded keeping a diary as a way of ________.
A. observing her school routine
B. expressing her satisfaction
C. impressing her classmates
D. preserving her history
2.What caused a change in the author's understanding of keeping a diary?
A. A dull night on the journey.
B. The beauty of the great valley.
C. A striking quotation from a book.
D. Her concerns for future generations.
3.What does the author put in her diary now?
A. Notes and beautiful pictures.
B. Special thoughts and feelings.
C. Detailed accounts of daily activities.
D. Descriptions of unforgettable events.
4.The author comes to realize that to live a meaningful life is ________.
A. to experience it
B. to live the present in the future
C. to make memories
D. to give accurate representations of it
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1.One of the benefits mentioned in the advertisement is ________.
A. a free flight to any destination in the world
B. 30% off any book purchased at Ruby Bookstore
C. a free bowl of dessert at any restaurant at the airport
D. a discount on any course at Tanya Language School
2.Which of the following bookings may receive the most benefits?
A.
B.
C.
D.
3.Which of the following is TRUE according to the advertisement?
A. You need to pay $ 50 to sign up a child for the club.
B. Club members enjoy free travel insurance for any flight
C. The advertisement is intended for students of all ages.
D. Any child must be accompanied by at least one paying adult.
书面表达
最近,某中学生英文报开设了“After class Activities”的栏目。请你根据以下提示,为该栏目写一篇英文稿件,并鼓励同学们积极参加课外活动。
1.你校开展课外活动的情况;
2.你参加过的课外活动及给你带来的益处;
3.为同学选择课外活动提出建议;
4.为学校开展课外活动提出建议;
注意:
1.词数100左右;
2.文中不得提及人名、校名及地名;
3.稿件的开头已为你写好(不计入总词数)。
After class Activities
Nowadays,after class activities are becoming more and more popular in high schools.
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短文改错
假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。文中共有10处语言错误,每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
增加:在缺词处加一个漏字符号(∧),并在其下面写出该加的词。
删除:把多余的词用斜线(\)划掉。
修改:在错的词下划一横线,并在该词下面写出修改后的词。
My sister saw a lovely cup when we are shopping the other day. She liked it at once. Then she bent down and picked up to look at a price on it. As she did this, lots of tea splashed on his Tshirt!I had to try hardly not to laugh at her shocking face!My sister wanted get out of the shop as fast as she could when a shop assistant came over to us. It was turned out to be her own cup,that she'd left on the shelf by mistake. The assistant was clearly as embarrassed as my sister,for I just thought it was funny!