Ebola is a dangerous virus that can cause people to get very sick and even die. The virus is causing the biggest problems in western Africa, where it has spread quickly. {#blank#}1{#/blank#} But it can get worse and cause life-threatening symptoms(症状), such as bleeding and trouble breathing.

    {#blank#}2{#/blank#}

    Ebola does not spread like colds or the flu because it does not float through the air. Ebola also doesn't spread through food or water, like some other viruses. Instead, Ebola spreads when someone touches the body fluids(液体) of a sick person.

    {#blank#}3{#/blank#}

    An outbreak is when many people are getting sick with the same illness around the same time. You may have heard of a flu outbreak, which is when lots of people get sick from the same types of flu virus. When an outbreak happens because of a virus, more people could get sick because there is a lot of that virus around.

    Where did Ebola come from?

    Scientists aren't sure how the first person gets Ebola at the start. {#blank#}4{#/blank#}Tropical animals in Africa believed to carry the virus include great apes, chimpanzees, gorillas, monkeys, fruit bats, porcupines, and forest antelopes.

    What do kids need to do about Ebola?

    Ebola is making many people sick in Africa, but no matter where you live, it's always a good idea to wash your hands well and often. {#blank#}5{#/blank#}

A. How do people catch Ebola?

B. But they think that people may pick up the virus by touching or eating infected animals.

C. Why do I need to wash my hands?

D. It's very important that infected people get treatment right away.

E. Ebola symptoms can start with fever and headache, kind of like the flu.

F. What is an outbreak?

G. Keeping hands clean can help protect you from common illnesses like colds and the flu.

    Kunta wondered why the white people had done this to him. Born a free man, he was now in chains. Heavy iron chains around his feet and hands were fixed to a metal bar that ran round the hall about ten centimeters off the ground. He was just able to lie down on the ground, but could not stand up.

    Kunta had been seized in the forest and then hit on the head with a hard object. When he woke up, his hands and feet had already been tied together. What shocked him most was that the men who carried him were black. He reasoned with them, and tried to persuade them to set him free. But they would not listen to him. When they came to the river, a white man was waiting in the boat for them. There was an argument about money, so it seemed, in a language that Kunta did not understand. Finally, Kunta was thrown into the bottom of the boat and covered with an old smelly cloth. The men took him in their boat to the castle on the coast where he was now held prisoner.

    Another thing which shocked Kunta was that women were held in the castle too. He could hear their crying, also children's voices. What was to become of them all, he wondered. For all his life, he had known that people suddenly disappeared from their villages. He had known that it was not safe to travel alone in the forest near the coast. But why did white people want to catch Africans and put them in chains? Would they be killed or even eaten? The situation seemed hopeless and he knew his life was in danger.

    Worse was to come. A few days later about 140 black people were taken and put on a tall sailing ship waiting off the coast. Once on the boat, they were taken below and their chains were fixed to two bars that ran the length of the ship. Their feet were fixed to one bar and their hands to another bar. Thus they lay on hard wooden boards, unable to stand up or move around.

    The sea journey lasted over sixty days and nights. They had rough weather and Kunta's back bled from rolling over on the hard wooden boards. Many of the men fell sick with fever. They sighed and cried out for more water, but food and water were only given out once a day. Once in a while sailors came down, Kunta thought, to carry sick men upstairs for treatment. When the ship finally arrived in a port, the wooden cover was opened wide and Kunta could see in daylight for the first time across the part of the ship where he had been chained. About a third of the people who had been chained up below at the beginning of the journey were missing.

    Global warming threatens to hold back human progress, and make unachievable all UN targets to reduce poverty, according to some of the world's leading international and development groups.

    In a report published today, Oxfam, Greenpeace and other groups say rich governments must immediately address climate change to avoid even “unbearable levels” of worldwide poverty.

     “Food production, water supplies, public health and people's livelihoods are already being damaged and weakened,” the report says. “There is no approach possible. The world must meet its commitments to achieve poverty reduction and also deal with climate change, which are closely linked.”

    The report, which draws on UN predictions of the effects of climate change in poor countries over the next 50 years, says poor countries will experience more flooding, declining food production, more disease and the extinction of entire eco-systems on which many of the world's poorest people depend.

     “Climate change needs to be addressed now. The poor will bear the great consequence of it. The frontline experience of many of us working in international development indicates that communities are having to fight more extreme weather conditions.”

    Climate change will cause great damage to agriculture and water supplies and will increase diseases. “By 2025 the number of the world's population living in countries of significant water stress will almost double, to 6 billion people. Tropical (热带的) and sub-tropical areas will be hardest hit — those countries already suffering from food shortage”.

    Poor countries mostly do not need hi-tech solutions, but would most benefit from education, research and being shown how to farm better. The report says unchecked global warming, more than wars or political upheaval (政变), will displace millions of people and unsettle many countries.

    After Mom died, I began visiting Dad every morning before I went to work. He was frail and moved slowly, but he always had a glass of freshly squeezed orange juice on the kitchen table for me, along with an unsigned note reading, "Drink your juice." Such a gesture, I knew, was as far as Dad had ever been able to go in expressing his love. In fact, I remember, as a kid I had questioned Mom "Why doesn't Dad love me?" Mom frowned, "Who said he doesn't love you?" "Well, he never tells me," I complained. "He never tells me either," she said, smiling. "But look how hard he works to take care of us, to buy us food and clothes, and to pay for this house. That's how your father tells us he loves us."

    I nodded slowly. I understood in my head, but not in my heart. I still wanted my father to put his arms around me and tell me he loved me. Dad owned and operated a small scrap (片) metal business, and after school I often hung around while he worked. Dad fed scrap steel into a machine which looked like a giant pair of scissors with blades thicker than my father's body. If he didn't feed those terrifying blades just right, he risked serious injury. "Why don't you hire someone to do that for you?" Mom asked Dad one night as she bent over him and rubbed his aching shoulders . "Why don't you hire a cook?" Dad asked, giving her one of his rare smiles.

    Many years later, during my first daily visit, after drinking the juice my father had squeezed for me, I walked over, hugged him and said, "I love you, Dad." From then on I did this every morning. My father never told me how he felt about my hugs, and there was never any expression on his face when I gave them.

    Canada is a very large country. It is the second largest country in the world. By contrast(比较)it has a very small population. There are only about 29 million people (by the year 1996) there. Most Canadians are of British or French origin, and French is an official language of Canada as well as English. About 45% of the people are of British origin, that is, they or their parents or grandparent, etc., come from Britain. Nearly 30% are of French origin. Most of the French-Canadians live in the province of Quebec.

    Over the years, people have come to live in Canada from many countries in the world. They are from most European countries and also from China, besides other Asian countries.

    However, Canada was not an empty country when the Europeans began to arrive. Canadian Indians lived along the coast, by the rivers and lakes and in forests. Today there are only about 350,000 Indians in the whole country, with their own languages. In the far north live the Inuit. There are only 27,000 Canadian-Inuit. Their life is hard in such a harsh climate.

A person should eat right, and get some exercise, or he or she will look terrible in 25 years. And what if the person drinks and smokes? Even

1 . That's the message from the insurance company. The instrument, called "Future You", uses a digital camera and computer to compare a person's current image with his or her future 2 without changes in bad habits. 

"Smoking can 3 your skin," said Anna, a creative operation manager. "You can see what the results of the toxins(毒素) and the chemicals in 4 are." Along with the potentially 5 sight of one's older self, "Future You" offers science-based advice on what to eat, how much to exercise and other ways to 6 your health. But will it work? Too 7 to tell was the verdict(意见) of Anna. "I want to see some data!" she said. Generally, Anna said, men show 8 concern about their appearance than women. "Women say, 'That looks like my

9 on the screen,'" she said. "Men are more likely to say, 'Yeah, go ahead. Put it on the blog.'" The project was raised more than a year ago to improve the overall health of the people who are 10 of this company. In addition, the growth in the ranks of 11 customers would bring down the overall cost of health care. In coming weeks, two new ones will be 12 in locations such as the American Tobacco Campus and the Museum of Natural Science. If users agree, their information will be stored as secrets without names to create a database of good and bad 13 . 

The process is free and the response is not bad, at least according to Valencia Robertson, one of a line of people who waited to 14 the instrument on Thursday. "I'm good," Robertson said after 15 her future image. "It's not going to be a big difference."