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Read the following article and select the best answer. Article: Right is right. Right? Of course. But is left wrong? Well, the Romans used to think so. They thought left-handed people were mistakes of nature. Latin, the language of the Romans, had many words that expressed this view. Some words we use today still have this meaning. The Latin word "dexter" means "right". The English word "dexterous" comes from this word. It means "handy" (clever with hands). So, right is handy. But the Latin word for left is "sinister". The English word "sinister" comes from this word. Sinister means "evil" (very bad). Is it fair to call right-handed people handy and left-handed people evil? Well, fair or not, many languages have words that express such beliefs. In old English, the word for left means "weak". That isn't much of an improvement over "evil". Not very long ago, children were often forced to write with their right hands. Doctors have since found that this can be very harmful. You should use the hand you were born to use. People who use their left hands are just starting to get better treatment. But why they get all these bad names in the first place? One reason may be that there are not as many left-handed people as there are right-handed people. There is one left-handed person for every five right-handed ones. People who are different are often thought to be wrong. But attitudes do seem to be changing. Fair-minded right-handed people are finally starting to give left-handed people a hand. Question: What does the passage lead us to believe when one writes? - He can only use his right hand. - He can only use his left hand. - He can use either his left hand or his right hand. - He can use both his left hand and his right hand.
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He can use either his left hand or his right hand.

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Read the following article and select the best answer. Article: Alan Tong was the worst driver in town. He had an accident of some kind almost every week. Alan lived with his mother. His mother was always worried about him. Every day she worried that police would turn up to arrest him. This wasn't a foolish worry because they usually called on the Tong household about once a week to deliver a speeding ticket or to serve him notice to appear in court. Most of his accidents were caused by his carelessness. He drove through red lights. He turned right without signaling. He drove at night without proper lights. He overtook other cars on hills and sharp curve. In short there wasn't a traffic regulation Alan had not broken, and he had had so many accidents that it was a miracle he was still alive. But luckily for Alan, he had never hurt anyone in his accidents or even gone to the hospital. Although Alan wasn't popular with the police, he was very popular with his lawyer. Alan's lawyer, Mr.Tsui, had earned a lot of money from Alan's cases and always rubbed his hands expectantly when he saw Alan coming into his office. One day Alan was working in the garage spraying painting his car when his mother walked in. "What are you doing?" his mother asked. "Painting my car," Alan replied. "I can see that," his mother said, "but why are you painting one side of the car red and the other side blue?" "Because every time I have to go to court for a traffic offense, there are always two witnesses . "What color1 was the car?" the prosecutor always asks, and the two witnesses always give the same answer. Well, in the future, one witness will say it was blue. Mr. Tsui will then say to the judge, "Your honor, the witnesses cannot even agree on the color1 of the car involved in the accident." And the judge will have to dismiss the case against me. Question: Mr. Tsui _ . - always volunteered to represent Alan in court. - wasn't popular with the police - was good friends with Alan - looked forward to Alan's visit
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looked forward to Alan's visit

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Read the following article and select the best answer. Article: Hemophilia results when a gene fails to produce the protein needed for the blood to clot ,or change from a liquid to a solid .The fault gene is passed from parents to children .People with hemophilia suffer uncontrolled bleeding .This can result in pain , tissue swelling and permanent damage to joints and muscles. One in every ten thousand males has the most common kind of hemophilia .It is extremely rare for females to have it. Patients can be treated with the missing clotting substance .They generally can lead normal lives. Scientists say gene treatment may be a possible way to cure hemophilia in the future .Researchers consider hemophilia the best disease for gene treatment because it is caused by a single fault gene .Also ,only a small increase in the missing clotting substance could provide good results .They tested gene treatment in six patients with severe hemophilia. First ,they removed skin cells from the patients' arms .The researchers grew the cells in the laboratory .They added copies of the needed gene taken from healthy people .Then they created hundreds of millions of genetically changed cells .They placed these cells into the patients' stomachs.After four months ,the amount of blood clotting substance in the blood increased in four of the six patients .Some of the patients reported a decrease in bleeding problems .However ,ten months later ,the clotting substance was no longer in the patients' blood .It is not clear if the implanted cells died or the added genes stopped working. The researchers say the study showed that gene treatment is safe for people with the most common kind of hemophilia .But others expressed concern about the treatment because the effects were only temporary. Question: People with hemophilia can live normally when _ . - they are treated with the missing clotting substance - they accept scientists' help - good copies of gene are placed in their bodies - They place some genetically changed cells into their stomachs
(Answer)
they are treated with the missing clotting substance