user: Question: Read the following article and select the best answer. Article: My name is Mike. I have a big family. It's Saturday morning. My grandfather is sitting on the sofa near the window. He is reading the newspaper. My grandmother is taking photos of some flowers in the garden near the house. My father is watching sports games on TV in his bedroom. Basketball games are his favorite but he can't play basketball. Where are my two sisters? Oh, look! Lily is over there. She is listening to music. She likes music very much. Lucy is in her room. There is a computer in her room. She is surfing the Internet . She is writing an e-mail to her friend. What am I doing? I am doing my homework. Do you know who is cooking? Question: What is Mike's grandfather doing? - He is doing housework. - He is reading the newspaper. - He is watching TV. - He is taking photos.
Answer: He is reading the newspaper.

Question: Read the following article and select the best answer. Article: If you are not happy with China's high Internet fees and slow speed, you are not alone.So is Premier Li Keqiang.On April 14, he said in a meeting that the government should speed up the Internet and lower the fees. "The first question people ask at a new place is 'Is there WI-FI' because Internet service fees are so high," said Premier Li.According to a recent survey by CCTV, the average cost of 1GB mobile Internet data per month in China is 100 Yuan, while it is only 60 Yuan in the US and 40 in Japan. However, high prices don't necessarily mean good service.The average Internet speed in China was 4.25Mbps in late 2014.South Korea had the fastest average Internet speed-25.3 Mbps.People can download a 1 GB movie within 6 minutes in South Koreas, but in China it would take half an hour. To improve Internet services, the key is to build more fiber  networks.Through them we can send text, pictures and videos globally in less than a second, which offer high speed Internet.Besides, the lack of market competition is another problems. _  ,. (2,10) Question: In late 2014,   _   had the fastest average Internet speed. - China - USA - Japan - South Korea
Answer: South Korea

Question: Read the following article and select the best answer. Article: One way that scientists   learn about man is by studying animals.In this lab, the scientists are studying the relationship between diet and health. They are studying the relationship between the amount   of food the mice eat and their health.The mice are in three groups.All three groups are receiving the same healthy food.The first group is eating one cup of food each day, the second group is eating two cups, and the third group is eating three cups. After three years, the healthiest group is the one that is only eating one cup of food each day.The mice in this group are a little thinner. But _ are more active.Most of the day, they are running, playing with one another.Also, they are living longer.Mice usually live for two years.Most of the mice in this group are still alive after three years. The second group of mice is healthy, too.They are active, but not as active as the thinner mice.They are only living about two years. The last group of mice is receiving more food than the other two groups.Most of the day, these mice are eating or sleeping.They are not very active.These mice are living longer than the scientists thought-about a year and a half.But they are not healthy.They are sick more often than the other two groups. Question: People give each group of the mice   _   amount of food every year. - a different - the same - a small - a large
Answer:

assistant: a different