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    About three hours after Hurricane Harvey made landfall in Texas as a Category ( 级 别 ) 4 storm, it was downgraded to a Category 3 storm after winds decreased to 125 mph from maximum winds of 130 mph.

    Harvey also made a second landfall on the northeastern shore of Copano Bay around the time it was downgraded.

    The storm is the strongest to hit the state in decades, with serious flooding expected. The last Category 4 storm to hit the U.S. was Charley in 2004 in Florida, while the last Category 4 storm to hit Texas was Carla in 1961.

    Residents staying in the area madly stocked up on(备足) food, water and gas, while others heading out of the storm's path boarded up windows and doors of their homes and businesses.

    Airlines canceled flights, schools were closed while concerts and other planned events in Houston and coastal cities were postponed.

    The hurricane's effects are expected to last for days, with heavy rainfall through next week estimated to be as high as 40 inches in some areas.

    The National Weather Service warned Harvey could bring a potentially destroying storm surges( 风 暴 潮 ), heavy rainfall and wind hazards( 危 害 ) to the Lone Star State's coast. A tornado watch is in effect for areas of southeastern Texas and southwest Louisiana.

    Life-threatening storm surge waters could reach 9 to 13 feet above ground level. Destroying flooding is expected across parts of the area. And rainfall will be heavy, with an estimated 15 to 30 inches of rain falling in many areas and as high as 40 inches in some from today through Wednesday, the National Weather Service said.

    I was at the chemist collecting my daughter's medication and she asked me to go into the shop next door to get some energy drinks for her.She was about to travel on a train and she tires easily.The shop did not have what she wanted so I went to the garage near my home.As I came out of the garage I could see Margaret across the busy road. I thought to myself she-d just got off the bus and was on her way to her daughter's house which is next door to me.I thought I'd give her a lift to her daughter's house.

    Then from across the busy road I could see the elderly lady I thought was Margaret going in a different direction down a different side street.I was surprised because I was really sure it was Margaret.In fact,I was so sure that I took the trouble of waiting to drive across the busy road to go to Margaret.

    By the time I caught up with the elderly lady she was at the bottom of a dead end and looked confused as she didn't recognize where she was.It was indeed Margaret.Though I have spoken to her before and given her a lift,she needed reminded of who I was.Margaret got in my car.

    We arrived at her daughter's house,it seemed in darkness and I didn't think Julie was in.I told Margaret to go and check.I had to take Lauren to the train station.If Julie wasn't at home I'd bring Margaret back to her own house.I went to my house and Lauren got in the car,then I saw Julie with Margaret.

    Margaret thought I was kind to her today.Truth is though that her thankful words will stay with me for a long time.I'm so happy too that the first shop I went to didn't have what Lauren wanted otherwise I' d never have got this beautiful compliment or more importantly, to help Margaret.

Unusual incidents are being reported across the Arctic. Inuit(因纽特人) families going off on snowmobiles to prepare their summer hunting camps have found themselves cut off from home by a sea of mud. There are also reports of sea ice breaking up earlier than usual, carrying seals beyond the reach of hunters. Climate change may still be a rather abstract idea to most of us, but in the Arctic it is already having great effects—if summertime ice continues to shrink at its present rate, the Arctic Ocean could soon become almost ice-free in summer. The knock- on effects(连锁反应) are likely to include more warming, cloudier skies, and higher sea levels. Scientists are increasingly eager to find out what's going on in the Arctic.

    For the Inuit the problem is urgent. They live in unsteady balance with one of the environments on earth. Climate change, whatever its causes, is a direct danger to their way of life. Nobody knows the Arctic as well as the locals, which is why they are not content simply to stand back and let outside experts tell them what's happening. In Canada, where the Inuit people are trying hard to guard their hard-won autonomy in the country's newest land, Nunavut, they believe their best hope of survival in this changing environment lies in combining their ancestral knowledge with the best of modern science. This is a challenge in itself.

    The Canadian Arctic is a vast, treeless polar desert that's covered with snow for most of the year. Adventure into this area and you get some idea of the hardships facing anyone who calls this home. Farming is out of the question and nature offers few pickings. Humans first settled in the Arctic a mere 4,500 years ago, surviving by taking advantage of sea first. The environment tested them to the limits: sometimes the settlers were successful; sometimes they failed and disappeared. But around a thousand years ago, one group appeared that was uniquely well adapted to deal with the Arctic environment. These Thule people moved in from Alaska, bringing dogs, iron tools and the like. They are the ancestors of today's Inuit people.

    Life for the descendants(后代) of the Thule people is still tough. Nunavut is 1.9 million square kilometers of rock and ice, and a handful of islands around the North Pole. It's currently home to 2,500 people, all but a handful of them Inuit. Over the past 40 years, most have abandoned their nomadic(游牧的) ways and settled in the area's 28 isolated communities, but they still rely heavily on nature to provide food and clothing.

    Supplies available in local shops have to be flown into Nunavut on one of the most costly air networks in the world, or brought by supply ship during the few ice-free weeks of summer. It would cost a family around ￡7,000 a year to replace meat they obtained themselves through hunting with imported meat. Economic opportunities are few, and for many people state benefits are their only income.

    Agatha Christie used to go out at night. She will never forget the night when she met a robber(盗贼) many years ago.

    That evening, she was invited to a birthday party which lasted till 2 o'clock in the morning. Without company, Agatha walked home along the quiet street. Suddenly from the shadow of a dark building, a tall man with a sharp knife in his right hand ran out at her. "Good morning, lady," the man said in a low voice, "I don't think you wish to die here!" "What do you want?" Agatha asked.

    "Your earrings (耳环). Take them off!" Agatha suddenly had a bright idea. She tried to cover her necklace with the collar (衣领) of her overcoat while she used the other hand to take off both of her earrings, and then she quickly threw them on the ground.

    "Take them and let me go." she said. The robber was uncertain. He saw that the girl didn't care for the earrings at all, only trying to protect the necklace. He realized the necklace would cost more, so he said, "Give me your necklace."

    "Oh, sir. It's not worth much. Please let me keep it."

    "Stop talking rubbish. Quick!"

    With shaky hands, Agatha took off her necklace. As soon as the robber disappeared, she picked up her earrings and ran as fast as she could to her home.

    The earrings cost 480 pounds and the necklace the robber had taken away cost only six pounds ten shillings (先令).

    Shyness is the cause of much unhappiness for a great many people. Shy people are anxious and self-conscious; that is, they are excessively concerned with their own appearance and actions.

    Worrisome thoughts are constantly occurring in their minds: what kind of impression am I making? Do they like me? Do I sound stupid? Am I wearing unattractive clothes? It is obvious that such uncomfortable feelings must negatively affect people. A person's conception of himself or herself is reflected in the way he or she behaves, and the way a person behaves affects other people's reactions. In general, the way people think about themselves has a profound effect on all areas of their lives.

    Shy people, having low self-esteem, are likely to be passive and easily influenced by others. They need reassurance that they are doing "the right thing." Shy people are very sensitive to criticism; they feel it confirms their feelings of inferiority. They also find it difficult to be pleased by compliment with a statement like this one, "You're just saying that to make me feel good. I know it's not true." It is clear that while self-awareness is a healthy quality, overdoing it is harmful.

    Can shyness be completely eliminated, or at least reduced? Fortunately, people can overcome shyness with determined and patient efforts in building self-confidence. Since shyness goes hand in hand with a lack of self-esteem, it is important for people to accept their weaknesses as well as their strengths. Each one of us is a unique, worthwhile individual, interested in our own personal ways. The better we understand ourselves, the easier it becomes to live up to our full potential. Let's not allow shyness to block our chances for a rich and fulfilling life.

    Steven Stein likes to follow garbage trucks. His strange habit makes sense when you consider that he's an environmental scientist who studies how to reduce litter, including things that fall off garbage trucks as they drive down the road. What is even more interesting is that one of Stein's jobs is defending an industry behind the plastic shopping bags.

    Americans use more than 100 billion thin film plastic bags every year. So many end up in tree branches or along highways that a growing number of cities do not allow them at checkouts(收银台). The bags are prohibited in some 90 cities in California, including Los Angeles. Eyeing these headwinds, plastic-bag makers are hiring scientists like Stein to make the case that their products are not as bad for the planet as most people assume.

    Among the bag makers' argument: many cities with bans still allow shoppers to purchase paper bags, which are easily recycled but require more energy to produce and transport. And while plastic bags may be ugly to look at, they represent a small percentage of all garbage on the ground today

    The industry has also taken aim at the product that has appeared as its replacement: reusable shopping bags. The stronger a reusable bag is, the longer its life and the more plastic-bag use it cancels out. However, longer-lasting reusable bags often require more energy to make. One study found that a cotton bag must be used at least 131 times to be better for the planet than plastic.

    Environmentalists don't dispute(质疑) these points. They hope paper bags will be banned someday too and want shoppers to use the same reusable bags for years.