Read the following article and select the best answer. Article: Hundreds of people did not get their train tickets through the online train ticketing service after paying the money. The China Railway Customer Service Center said that it would try to solve the problem and return the money in 15 working days. The service center said changes would be made to the online booking system which limited each purchase which is finished in 30 minutes. Many people said that they failed to book tickets because of the time limit in purchase. People who paid without getting their tickets have formed groups on QQ. As many as 400 people had joined the QQ group by Thursday and the group continues to grow. The ticket buyers said their money had been returned through online banks but they didn't get confirmation from the online booking system. They are afraid that they will not be able to get refunds because they don't have the order number given to those who have succeeded in booking. People also said they were unable to inquire through the booking hotline 12306, because it is almost always busy. The China Railway Customer Service Center Website suggested that the online banks didn't return the payment information to the online booking system because of network problems. The online railway booking service was made by the Ministry of Railways on Dec. 21, in order that people can easily buy train tickets during the Spring Festival. Question: Why did many people join the QQ group? - They want to get back their refunds. - They wanted to book the train tickets. - They wanted to chat with each other. - They want to get the payment information.
They want to get back their refunds.

(Question)
Read the following article and select the best answer. Article: My friend, Victor, is a zoo keeper in the National Zoo. His work is very interesting but it is hard. Sometimes it is dangerous, too. Every morning the zoo keepers have to get up at five to prepare the food for the animals. Each kind of animal is given special food. For example, the lions must be given meat; the deer must be given grass and leaves; and the parrots must be given fruit and nuts. Sometimes some animals won't let the others eat their food. If this happens, each of them must be fed separately . Every morning each cage must be washed by the zoo keepers. This can be dangerous, especially with lions and tigers. To make the work easier, the animals are locked in the sleeping compartments while the cages are being washed. When the animals are sick, the zoo keepers must look after them. Each sick animal is kept in a separate cage and given medicine. Sometimes they must be given injections. It is not easy to inject a sick lion! All the keepers live near the zoo. Each of them has a small house. There he lives with his family. They do not have holidays on Sundays and public holidays. Instead, each of them has a day off during the week. Each keeper has a holiday on a different day from that of the other keepers. The most important job of the keepers is to look after the safety of the visitors. People must be prevented from doing dangerous things. Many people have been injured because they did careless things, like putting their hands into the lion's cage. ,. Question: Some animals must be fed separately because _ . - they eat special food - they often quarrel with each other while eating - they always cause the zoo keepers much trouble - they won't let the others eat their food
(Answer)
they won't let the others eat their food

Ques: Read the following article and select the best answer. Article: What would you do if a stranger gave you some medicine and it would keep you slim or help you do well in exams? Would you take it? Students at Shenzhen Luohu Foreign Language Middle School have learned to keep themselves safe by saying "no". In fact, what those strangers want to give them are drugs . Drugs are dangerous to your health! "Because teens don't know much about drugs, they might want to try them," said Zhang Dongsheng, the director of Shenzhen Drug Control Office. Now, many schools arrange courses or organize some activities to help students know about drugs. Liang, 16, was a good student before trying drugs. One day, some old friends told him it would be fun. After taking drugs only once, he found it very hard to stop. Liang began to spend all his time and money on drugs. Soon, he stopped going to school and started stealing. In the end, he was put in prison. In China, taking drugs is becoming a big problem for teens. According to a survey, about one million people in China were using illegal drugs last year, and 72% of them were young people. Worse still, there are about10,000 drug users under 16 now. Zhang has some good advice on staying clean. He said, "Drugs are dangerous. Never try them, even if you're curious! It is the most important for you to keep safe and healthy." Question: What does the phrase "staying clean" here mean? - Being clean. - Keeping clothes clean. - Staying away from drugs. - Wearing clean clothes.
Ans: Staying away from drugs.

Read the following article and select the best answer. Article: When an animal helps another animal, it usually gets something valuable in return. For a long time, many scientists thought that only people could act generously just because it feels good. However, a new study in Germany suggests that chimpanzees also do good things for no real reason. And so do children who are as young as 18 months of age. Maybe it is because humans and chimpanzees share an ancestor about 6 million years ago. People and chimpanzees appear to develop such features without any other training, says Warneken, a scientist in Germany. Warneken and his partners worked on adult chimpanzees that live on an island in the African country of Uganda. They also worked with 18-month-old children in Germany. The researchers performed three experiments on the adult chimpanzees and two experiments on the kids. In the first animal experiment,a person tried to reach his arm into a cage to get a stick,but he couldn't reach it. A chimpanzee was in the cage,and it could reach the stick if it wanted to. Thirty-six chimpanzees took part in this experiment one by one, and no chimpanzee saw what the other chimpanzees had done. Even though the animals hadn't met the person before, they usually took the stick and gave it to the person. What's more, they did this whether or not the person offered them bananas as a reward. In a similar experiment, 36 children acted in a similar way. They helped the person reach the stick, whether or not they were offered toys for their help. Researchers did other experiments on chimpanzees and babies. No rewards were offered in either experiment. And still, both the chimpanzees and children went out of their way to help. Still, the new study is different from earlier findings. Researchers have found that chimpanzees don't give rewards of food to other chimpanzees, even if it costs them nothing to be generous. Question: Warneken and his partners worked with _ . - young chimpanzee that live on an island - 18-month-old children who live in Germany - kids who are living with adult chimpanzees - adult chimpanzees that live on the African mountain
18-month-old children who live in Germany