What do you do when you come across a problem while doing your homework? Andy would take out his smart phone, open a special app and searched the problem. Answers soon appeared on the screen.

    Nowadays, many students do homework with the help of the Internet like Andy. They search for information online, use apps or discuss through social networks like QQ and WeChat.

    “It's convenient.” Andy said. “You also learn by seeing how others work them out.”

    “It also improves students' abilities.” said John, another student. He said it's true for new types of homework.

    John's Chinese teacher often asks students to give speeches on great authors. When it comes to John's turn, he usually searches online, picks out certain stories and makes PowerPoint presentations.

    “I've become skilled at finding information online and using Microsoft Office,” Wang said.

    However, many students think this trend (趋势) also brings up problems. Some students just copy the answers online without thinking. They become lazy.

    A head teacher in Andy and John's school said that knowing how to use the Internet is important. The key is to have good self-control.

    “No matter how difficult the problem is, think about it independently (独立地) first,” the teacher said. “Be sure to understand the reasons behind the answers, or you won't make progress. If you don't have confidence about your self-control, ask your parents for help.”

    Getting Help on Screen

    Earth Hour started in Sydney on March 31st, 2007. It calls on families and buildings to turn off the lights from 20: 30 to 21:30 on the last Saturday night of March. {#blank#}1{#/blank#} A year later, on March 29, Earth Hour 2008 became a global activity and was supported by 50 million people from thirty-five countries. On March 28, 2010 over 100 cities in another eight countries took part in it. {#blank#}2{#/blank#} In 2012 in China, there were many cities taking part in this activity, especially some large cities, such as Beijing, Shanghai… Many citizens consciously( 有意识的) turned off lights in the hour. {#blank#}3{#/blank#} In colleges some students held some activities to make all the students leave their dormitories.

    It was 20:30, Beijing time. {#blank#}4{#/blank#} In Shanghai some people were taking a walk with their families or friends. And in Ningbo some young people were holding a party in a park, singing and dancing. {#blank#}5{#/blank#}

    Earth Hour has a variety of activities, but the final goal is the same, that is focusing on(聚集) climate change and protecting the environment for individuals.

A. The people from the three cities felt very relaxed.

B. In 2007 more than 2.2 million homes and businesses turned off their lights.

C. And without lights, they could also enjoy themselves.

D. Some people in Beijing were having a nice talk with their friends.

E. Earth Hour came to China on that day, too.

    As a student, I was most afraid to answer question in class, and I found that the students around me were just like me. At the beginning of each class, when the teacher ask a question. I always lowered my head because I was afraid the teacher saw me.

    One day, in a foreign language class, Mr. Black gave us a lesson. He wanted us to be active in class, so ask us some question, but no one answered," Let me tell you a story first," he said. "When I came to the United States to study, the university often invited famous people to make speeches. Before the beginning every speech, I found an interesting thing. The students around me always took a cardboard folded in half, wrote their names in bold(黑体) with the most eye－catching(引人注目的) color and then placed the cardboard on the seat. So when the speaker need the answer from the student, he could see it and call a listener's name directly. I couldn't understand that. My classmate told me the speakers were all top people, who meant chances. In fact, l really saw a few students got great chances because of that."

    After listening the story, l understand that the chance will not find you itself. You must show yourself all the time so that you can find a chance on the card.

    "I am so busy with my study. I don't even have enough time to have breakfast." said Zhangli, a middle school student. Do you have the same problem   A   Zhangli? However, missing breakfast could raise your risk of heart problem by 87 percent, according to a new study. Researchers at the University of Iowa analyzed 18 years of data on 6,550 people over 40 years old who had no history of heart problems. They were given regular surveys   B   included the question, "how often do you eat breakfast? Most （59 percent）ate breakfast every day, but 5.1 percent never did, 10.9 percent rarely did, and 25 percent would miss for a few days. The team found that①早餐习惯与心脏病风险之间存在明显关联.Those who didn't eat in the morning were up to 87 percent more likely to develop heart problems.

    "It's believed that ②an, important, day, breakfast, the, is, meal, of, but there has been an increasing prevalence (普遍)of missing breakfast over the past 50 years in the United States, with as many as 23.8 percent of young people missing breakfast every day," the researchers said. "However, studies on the health effects of missing breakfast are rare."

    The team pointed out a few factors which could underlie this connection. ③Firstly, those who don't eat breakfast may be more likely to snack unhealthily. Secondly, breakfast may help to balance blood sugar levels and control blood pressure. The findings were published on the American College of Cardiology. Some days later a similar study showed people who missed breakfast and ate a late dinner were less likely to survive a heart attack. And Borja Ibanez, a doctor of medicine, also pointed out those who didn't eat breakfast were more likely to smoke, be lack of exercise, and drink alcohol.

    As for us teenagers, what are your opinions on breakfast? Do you think breakfast is important for us?

    When visitors came to see Sherlock Holmes in Baker Street, they often did surprising things. Sometimes they put their heads in their hands and cried. Sometimes they talked and talked, and couldn't stop. And sometimes they just sat there and didn't say a word. But nobody was more surprising than Dr Huxtable.

    He was a large man, tall, well-dressed. He came into the room, walked to one of the big chairs, and suddenly fell into it. He sat there, with his eyes closed, looking pale and ill.

    Holmes looked in the man's pockets-and found a train ticket from Mackleton, in the north of England.

    "Mackleton-that's a long way," said Holmes, "it's not twelve o clock yet, so he probably left home before five o'clock this morning. He was probably hungry."

    After a minute or two, the man began to move, and his eyes opened. A second later, he stood up. His face was now red and unhappy.

    "Mr Holmes, I am so sorry! I forgot to eat or drink anything this morning that's why I felt ill. But I'm better now," said our visitor," and Mr Holmes, come back to Mackleton with me by the next train, please!"

    "I'm sorry, that's not possible," said Holmes," I'm working on two important cases. I cannot leave London at the moment."

    "Important cases!" our visitor cried, "But this case is very important too. You know about the kidnapping of the son of Duke(公爵) of Holdernesse three days ago."

    "What! The Government Minister?" I was shocked.

    "Yes, that's him. And he is one of the greatest men in the country." said Dr Huxtable, "Mr Holmes, the Duke is offering five thousand dollars for news of his son, and another one thousand dollars for the name of the kidnapper."

    "That," said Holmes, "is a most interesting offer." He looked at me, "Watson, I think we are going with Dr Huxtable back to the north of England this afternoon."

    Canada is the second-largest country in the world, with almost 10 million square kilometres of landmass. Due to (由于) its size, it is divided into four different regions(地区).

    The Atlantic Provinces

    Fishing is the old industry in this region. Agricultural crops, such as fruit and potatoes, and forests, which produce paper and lumber(木材), form part of the industry. Traditionally depending on fishing and farming, they are developing other natural resources, such as oil and copper.

    Central Canada

    Ontario and Quebec form the industrial and manufacturing (制造业的) heart of Canada. They produce three quarters of Canada's goods. More than half of Canada's population lives in the cities in the southern part of Ontario and Quebec. Most of the people living in Quebec speak French.

    The West Coast

    The British Columbia Coast is Canada's western continental coastline (海 岸 线 ). Europeans settled (定 居 ) in British Columbia in the early 1800s. The railroad built by the government in the late 1800s made moving much easier. Thousands of Chinese came to British Columbia during this period to work on the railroad. British Columbia has the most valuable forest industry in Canada.

Salmon (鲑鱼) fishing is not only a popular sport, but also an important part of the industry. Pacific salmon are exported (出口) all over the world.

    The North

    The Yukon and the Northwest Territories (领土) cover a third of Canada. This huge region has a very small population. Most of the people are natives. There are several native languages, which are equal (平等的) in status (地位) to English and French. During the Gold Rush at the end of the 1800s, thousands of miners (矿工) came to make their fortune (财富). Mining is still an important industry in this region.