Read the following article and select the best answer. Article: Justin Bieber used to be an ordinary Canadian boy, but his life totally changed in 2008. With his great musical talent, this 17-year-old boy has become a superstar in the music industry. Justin Bieber was born in Straford, Ontario and was raised by his single mother. Bieber learned to play musical instruments when he was very young. In 2007,he took part in a local singing competition in his hometown, and he did it just for fun. He never took singing lessons before but surprisingly he placed second in the competition. Then,with the help of his mother, he uploaded videos of him singing on a website and they successfully attracted the attention of viewers. His videos got popular through word of mouth and some of them have received up to 10,000,000 views. Justin Bieber would have never gotten a career in the music business without his videos. Scooter Braun, a former marketing executive of So So Def Recordings, had watched Bieber's videos and he was impressed by the boy's talent. Braun then contracted Bieber and he flew the boy into Atlanta 7 months after the first video was posted. Bieber showed his talent in singing as well as his ability in playing musical instruments. He then got a record deal. In 2009,Justin Bieber released his first single "One Time" while he was recording the debut album .The single "One Time" tells a story about love. This song had success not only in Canada and the US, but also in the international market. Then he released his debut album "My World 2.0"in 2010 and the song "Baby" became the lead single. This album successfully entered the Top Ten Charts in seven countries. In June 2010, he started his first world tour in Hartford, Connecticut. One month later, he started recording his second album. Question: It can be infered from the text that Justin Bieber _ . - owed his success to good luck - showed a gift for music when he was young - is the youngest superstar ever in the music industry - released his debut album with the help of Scooter Braun
released his debut album with the help of Scooter Braun

Read the following article and select the best answer. Article: BEIJING---Chinese President Xi Jinping has stressed the need to promote the country's housing security and supply to guarantee people's basic residential needs On Tuesday, Xi said that pushing the construction of the housing supply system is a solid project that benefits all people. ''Solving the housing issue is a long-term task," the president said "China still faces problems such as insufficient affordable housing and imbalances in housing distribution" Xi said future work will sick to market-oriented reform.and properly handle the roles of government and the market, economic and social functions of housing development,relations of necessity and possibility and the difference between housing security and welfare trap Meanwhile,he vowed the government shall meet the basic housing needs of the group troubled by inadaptable labor skills, lack of job opportunities or low income Xi pointed out that the general scheme of building China's housing supply system is that the government realizes most of the basic needs while leaving other diversified demands for the market rules "China will spare no effort to increase housing supply while pursuing affordable, environmentally friendly and safe living standards in accordance with the country's practical situation,"he said According to the country's 12th five-year plan,China will increase its quantity of affordable housing go that it covers 20 percent of all residential areas by 2015 through construction of 36 million affordable housing units,including renovation of run-down neighborhoods Xi said the government will first ensure the quality and safety of these buildings and strive to accomplish the goal while speeding up the construction of public rental and low--rent housing as well as the renovation of run-down neighborhoods Land and financial policies will be further improved to support the project,Xi said,adding the government will explore and encourage ways for non-profit institutions to participate in the construction and management of affordable housing. The... Question: As for solving China's housing problems.President Xi is _ . - helpless - pessimistic - determined - uncertain
determined

Q: Read the following article and select the best answer. Article: Doctor are known to Be terriBle pilots. They don't listen Because they already know it all. I was lucky: Became a pilot in 1970, almost ten years Before I graduated from medical school. I didn't realize then, But Becoming a pilot makes me a Better surgeon. I loved flying. As I flew Bigger, faster planes, and in worse weather. I learned aBout crew resource management , or CRM, a new idea to make flying safer. It means that crew memBers should listen and speak up for a good result, regardless of positions. I first read aBout CRM in 1980. Not long after that, an attending doctor and I were flying in Bad weather. The controller had us turn too late to get our landing ready. The attending doctor was flying; I was safety pilot He was so Busy Because of the Bad turn, he had forgotten to put the landing gear down. He was a Better pilot - and my Boss - so it felt unusual to speak up. But I had to: Our lives were in danger. I put aside my uneasiness and said, "We need to put the landing gear down now!" That was my first real lesson in the power of CRM, and I've used it in the operating room ever since. CRM requires that the pilot/surgeon encourage others to speak up. It further requires that when opinions are from the opposite, the doctor doesn't overreact, which might prevent fellow doctors from voicing opinions again. So when I'm in the operating room, I ask for ideas and help from others. Sometimes they're not willing to speak up. But I hope that if I continue to encourage them , someday someone will keep me from " ". Question: What dose the author say aBout doctors in general? - They like flying By themselves. - They are unwilling to take advice. - They pretend to Be good pilots. - They are quick learners of CRM.
A: They are unwilling to take advice.

Read the following article and select the best answer. Article: Apollo 11, carrying Neil Armstrong, Edwin Aldrin and Michael Collins, was launched on 16 July, 1969. Five days later they stepped down onto the moon. Neil Armstrong On the way there: Of all the wonderful views we had, the most impressive to me was on the way to the Moon when we flew through its shadow. We were still thousands of miles away, but close enough so that the Moon almost filled our window. The moon appeared blue-grey. It seemed almost as if it were showing us its roundness, its similarity in shape to our Earth, in a sort of welcome. I was sure it would be a hospitable host. It had been waiting for its first visitors for a long time. After touch down: The sky is black, you know. It's a very dark sky, but it still seemed more like daylight than darkness as we looked out the window. It's a very strange thing but the surface looked very warm and inviting. It seemed to be tan . It's hard to explain that, because later when I held the material in my hand, it wasn't tan at all. It was black, grey and so on. Edwin Aldrin On the Moon: The blue color of my boots has completely disappeared now into this soil--still don't know what color to describe this other than grayish cocoa. Back on board: The moon was a very natural and pleasant environment in which to work. On the Moon, in one-sixth gravity, you have a strong feeling of being somewhere. As we did our experiments, some objects we threw away would go in a slow, lazy manner. Question: Edward Aldrin described the soil as _ . - tan - gray - black - grayish cocoa.
grayish cocoa.