Read the following article and select the best answer. Article: John and Bobby joined a wholesale company together just after graduation from college the same year. Both worked very hard. After several years, however, the boss promoted Bobby to the position of manager but John remained an ordinary employee. John couldn't understand it anymore, gave his resignation to the boss and complained that the boss didn't value hardworking workers, but only promoted those who flattered him. The boss knew that John worked very hard for the years. He thought for a moment and said, "Thank you for your criticism , but I have a request. I hope you will do one more thing for our company before you leave. Perhaps you will change your mind and take back your resignation." John agreed. The boss asked him to go and find out anyone selling watermelon in the market. John went and returned soon. He said he had found out a man selling watermelon. The boss asked how much per kg? John shook his head and went back to the market to ask and returned to tell the boss $1.2 per kg. Boss told John to wait a second, and he called Bobby to come to his office. He asked Bobby to go and find anyone selling watermelon in the market. Bobby went, returned and said, "Boss, only one person selling watermelon. $1.2 per kg, and $10 for 10kg. He has 340 melons in all, 58 of which are on the table. Every melon weighs about 2 kg. Bought from the South two days ago, they are fresh and red, good quality." John was very impressed and realized the difference between himself and Bobby. He decided not to resign but to learn from Bobby. My dear friends, chances exist in the daily details. For the same matter, a more successful person sees more and farther so that he can find out an opportunity and catch it to realize his aim. Question: The boss told John and Bobby to go to find anyone selling watermelon in the market in order to _ . - show watermelons were in great need on the market - test their abilities to make market research - make John find out the differences between them two. - convince John of Bobby's ability to do business
make John find out the differences between them two.

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Read the following article and select the best answer. Article: Australian scientists say an organic compound used by Indian women to paint dots or bindi on their foreheads could hold the key to a breakthrough in cancer treatment. Rose Bengal was first used in the early 1900s as a dye for food, textiles and cosmetics. But now it is proving to be a useful weapon in the fight against skin cancer. Television advertisements constantly warn of the dangers of overexposure to the fierce sun. Among them is the possibility of the disease melanoma , a type of skin cancer. More than 1,200 Australians die every year from the disease. Initial trials of a solution of Rose Bengal injected into some melanoma cells have had a 75 percent success rate in controlling the disease. Professor John Thompson, the director of the Melanoma Unit at the University of Sydney, says this organic dye could become a powerful cancer-fighting treatment. "We believe it works by getting into the tumor cells and causing them to self-destruct. But the exact mechanism by which it works is not totally clear. It's not useful for people who have a primary melanoma. The treatment of primary melanoma is surgical excision ,"he said. "It's useful to inject tumors for people who have recurrences; when the primary treatment has failed and when recurrence in the area, or at more distant sites has occurred." About 90 percent of Australians who develop melanoma survive thanks to early diagnosis and treatment. If left untreated, however, the disease can be fatal. Convincing younger people in Australia about the dangers of overexposure to the sun is a battle campaigners are constantly waging. Veronica Manock, a 21-year-old student, had two major operations to remove a cancerous tumor from her leg. "I've had a lot of friends who just said 'I thought it was just, you know, I'll get a mole cut out and that's it', whereas I don't think people realize how much danger they're putting themselves into and how easy it is to stop something like this happening to you just from doing little things,"said Marock. Other researchers in... Question: The main reason for Australia's high rate in skin cancer is _ . - the overuse of cosmetics - overexposure to the sun - the color of their skin - the lack of prevention
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overexposure to the sun

Read the following article and select the best answer. Article: "Mark Twain" was the name used by Samuel Langhorne Clemens (1835~1910) when he wrote books.His father was a lawyer,but a poor one,who lived in Florida,Missouri.The family was so poor that Samuel did not receive much teaching.He had to learn all that he could from the people whom he met.His father died when he was very young,and then there was even less money than before. Many of the men in this part of America worked in the ships on the great Mississippi River,and he did this himself at one time (1857). Where did he find the name "Mark Twain"? It came from the great river itself.It was part of one of the cries used by men who worked in the ships.When a man called "By the mark twain!" he meant that the river was "two marks deep" there,that is to say,six feet deep ( "Twain" is an old form of the word "Two".) Samuel Clemens often heard these words when he was young,and he used them as a pen name all his life. During his work on the Mississippi he met travelers of all kinds,and this helped him a great deal when he started to write.But the number of travelers became smaller when war started in America in 1861.Many of the great ships on the river stopped work.Samuel left then and went to Nevada with his brother,who was at that time Governor of Nevada.There,near the town of Carson,Samuel became a gold miner,but he never made much money at the time.He soon saw that life in the gold mines was not for him.He also tried writing for the newspapers in Nevada,and this seemed more hopeful.He found that he could write. He went to Europe in 1867 and visited France and Italy.In 1870 he married Olivia Langdon,and two years later he was spending nearly all his time writing.Among his books is his own story (1908). He is now always known as Mark Twain,and many people do not even know that his family name was Clemens.He traveled in America and in England,and went to Oxford in 1907.He was one of the great American writers of the time,and could make his readers laugh--a thing which few writers can do.He died in 1910. Question: According to the writer of the passage,a good writer could _ . - write a lot for his readers - make a lot of money for his family - cause his readers to laugh - travel everywhere he wanted
cause his readers to laugh