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I'm taking a test and have to guess the right answer to the question after the article. Article: The Internet has greatly changed the way people communicate. But some teachers think the changes are not all for the better. Eleanor Johnson, an English professor, thinks that text messaging has made students believe that it is far more acceptable than it actually is to just make terrible spelling and grammatical errors. And she says her students over the past several years have increasingly used less formal English in their writing. Words and phrases like "guy" and "you know" now appear in research papers. Professor Johnson supposes there is a strong relationship between the rise of informal online communication and an increase in writing mistakes. But she says there may not be much scientific information, at least not yet. David Crystal, a British linguist , says the actively changing nature of the Internet makes it difficult to keep up-to-date in studying its effects. But he believes its influence on language is small. The main effect of the Internet on language is the way it has added to the expressive richness of language, providing language with a new set of communicative tools that haven't existed in the past. Erin Jansen is founder of NetLingo.com, an online dictionary of the Internet and text messaging terms. She says the new technology has not changed existing language but has greatly added to its vocabulary. Basically it's freedom of expression. And what about those teachers who find these new kinds of mistakes in spelling and grammar in their students' work? What is her message to them? Erin Jansen said, "I am always on the students' side and won't get angry or upset about that. If it's helping the kids write more or communicate more, that's great. That's what teachers and educators want--to get kids communicating." But Erin Jansen and David Crystal agree with Eleanor Johnson on at least one thing. Teachers need to make sure students understand the uses and rules of language. Question: The author wants to tell us that _ . Options: A: different opinions on informal expressions exist B: what language is now used on the Internet C: informal expressions are popular among teachers D: why the Internet is welcomed by all students
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A

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I'm taking a test and have to guess the right answer to the question after the article. Article: In tests, it shrank breast tumours by 80 percent and researchers believe it could also treat prostate, pancreatic, bowel and ovarian cancers. Even tumours that resist treatment with the best medicines on the market, including the "wonder drug" Herceptin, may surrender to the vaccine. The experiments so far have been on mice - but researchers hope to pilot the drug on people within two years. If all goes well, the vaccine could be on the market by 2020. Rather than attacking cancer cells, like many drugs, the new treatment arouses the power of the immune system to fight tumours. The search for vaccines has been prevented by fears that healthy tissue would be destroyed along with tumours. Researchers from the University of Georgia and the Mayo Clinic in the US focused on a protein called MUC1 that is made in bigger amounts in cancerous cells than in healthy ones.Not only is there more of it, but a sugar that it is "decorated" with has a distinctive shape. The vaccine trains the immune system to recognise the rogue sugar and turn its weapons against the cancer. "Cancer cells have a special way of thwarting the immune system by putting sugars on the surface of tumour cells so they can travel around the body without being detected," researcher Professor Sandra Gendler said. "To enable the immune system to recognise the sugar it took a special vaccine that had three parts to it. "She said it was this that "turned out to be a winning combination". Question: The passage most probably talk about next _ Options: A: The vaccine experiments will be performed on people soon. B: The vaccine has turned out to be perfect. C: Which parts does the vaccine consist of ? D: How does the vaccine arouse the immune system against cancer cells.
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C

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I'm taking a test and have to guess the right answer to the question after the article. Article: Among the more color1ful characters of Leadville's golden age were H.A.W.Tabor and his second wife, Elizabeth McCourt, better known as "Baby Doe". Their history is fast becoming one of the legends of the Old West. Horace Austin Warner Tabor was a school teacher in Vermont. With his first wife and two children he left Vermont by covered wagon in 1855 to homestead in Kansas. Perhaps he did not find farming to his liking, or perhaps he was lured by rumors of fortunes to be made in Colorado mines. At any rate, a few years later he moved west to the small Colorado mining camp known as California Gulch, which he later renamed Leadville when he became its leading citizen. "Great deposits of lead are sure to be found here." he said. As it turned out, it was silver, not lead, that was to make Leadville's fortune and wealth. Tabor knew little about mining himself, so he opened a general store, which sold everything from boots to salt, flour, and tobacco.It was his custom to "grubstake" prospective miners, in other words, to supply them with food and supplies, or "grub", while they looked for ore , in return for which he would get a share in the mine if one was discovered. He did this for a number of years, but no one that he aided ever found anything of value. Finally one day in the year 1878, so the story goes, two miners came in and asked for "grub". Tabor had decided to quit supplying it because he had lost too much money that way. These were persistent, however, and Tabor was too busy to argue with them. "Oh help yourself. One more time won't make any difference," He said and went on selling shoes and hats to other customers. The two miners took $17 worth of supplies, in return for which they gave Tabor a one-third interest in their findings. They picked a barren place on the mountain side and began to dig. After nine days they struck a rich vein of silver. Tabor bought the shares of the other two men, and so the mine belonged to him alone. This mine, known as the "Pittsburgh Mine," made $1,300,000 for Tabor in... Question: Tabor made his first fortune _ . Options: A: by supplying two prospective miners and getting in return a one-third interest in the findings B: because he was persuaded by the two miners to quit supplying C: by buying the shares of the other D: as a land speculator
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A