It's sometimes reported that strange objects have been seen high up in the sky. These unidentified flying objects - UFOs have made a lot of people interested. Some of the reports about them are difficult to believe.Some have been explained in scientific ways, others have never been explained. It is not easy to decide whether a report is true or not. One report of UFOs came from a British plane on its way from New York to London in 1954. The British plane was flying over an island at 19,000 feet when the captain noticed that something was on their left and a little lower than their plane. It's about five miles away. "It was not one object but several," the captain said. "We saw one large and six smaller objects. I sent a radio to report about them and I received the answer that the other planes were coming out to meet us. Before the planes arrived, the smaller objects entered the big objects. The big object then became smaller and moved away fast." Some _ have been explained in scientific ways. A) people B) strange objects C) of the reports about UFOs D) planes
C

We have to accept the truth: Sometimes, we just want to shout out loud. For example, we all have days like this: our dog has made a mess on the floor we just cleaned, or our friend called to tell us he or she couldn't come at the last minute when we had cooked dinner for him or her. We may be really angry but we tried to bear things like those. According to ancient Chinese wisdom, we should shout in a loud voice instead of keeping silent. In fact, it's good for our health. "Chinese people have passed on the practice from ancient times to now as a part of traditional medicine," said Mrs. Li, a 60-year-old woman from Hangzhou. "My parents taught me to do this. It's a part of our folk culture. " Mrs. Li is a member of a group of people who love shouting. Each morning, she and some of her friends climb to the top of a hill and let out loud shouts before starting their daily exercise. They believe that shouting is good exercise for their lungs and it brings them a lot of fun. "Sometimes I shout out and other shout back," said Mrs. Gu, another shouting lover. "It makes you happy. You laugh and then you feel very comfortable. " Dr. Peter Calafiura, an American doctor, agrees that shouting can have a positive influence on people's health. So, next time you start your morning run, why not try to shout out first? It will make you healthier. The passage is mainly about _ . A) a shouting 1over B) a shouting club C) the advantages of shouting D) the history of shouting
C

Once, there was a beautiful girl who didn't like herself, because she was blind, she couldn't see anything. In fact, the girl loved nobody except her boyfriend, for he was always ready to help her. She used to tell her boyfriend, "If I could see the world, I would marry you." One day, someone donated a pair of eyes to the girl. When the came off,she was able to see everything, including her boyfriend for the first time. He asked her, "Now that you can see the world, will you marry me?" The girl looked at her boyfriend and was greatly surprised to see that he was blind, too. She had never expected that, and she would not like to be with a blind husband for the rest of her life, so she refused to marry him. Her boyfriend left in tears and a few days later wrote a note to her, saying, "My dear, take good care of your eyes. Before they are yours, they were mine." So, this is how the human brain often works when our situation changes. Only a very few remember what life was like before. And we often ask for more than we need. Life is a gift. Today, before you complain about the taste of your food,think of those who have nothing to eat. Before you complain about life,think of some ones who went to heaven too early. Before you complain about your old house, think of the people who are living in the streets. And when you are tired and complain about your job, think of those who have no jobs. In a word, enjoy the things you have and don't forget your past. ,. _ donated a pair of eyes to the girl. A) An known person B) Her father C) Her boyfriend D) Her mother
C