Ashleigh Fraser and Leah Guskjolen, both 18, wondered why they would not be allowed to wear nail polish or artificial nails during their training to become certified nursing assistants. But when they asked, the only response which they got was that "rules are rules." Not satisfied, the teens decided to explore the issue themselves. For their new study, Ashleigh and Leah, seniors at Willcox High School in Willcox, Arizona., borrowed materials from the hospital where they had been trained as nursing assistants. Ten nurses there agreed to give them little scrapings off the top side of their nails. Half of the participants had natural nails. The other half wore nail polish or fake nails on top of their natural nails. The teens grew bacteria from the scrapings on plates; these are plastic dishes with a gel that feeds bacterial growth. Natural nails produced an average of 4.3 bacterial colonies. In contrast, scrapings from nail polish or artificial nails produced an average of 17.5 colonies! Leah and Ashleigh had their answer to the question. Only natural nails are allowed because polished or artificial nails tend to harbor far more bacteria. The germs could be dangerous to sick patients. Leah notes that they are not the first to look at nails in a medical setting. Still, she says, "It is something that should be taken much more seriously than it is." To emphasize that, she points to the large list of similar studies she and Ashleigh uncovered during their research. When nurses touch patients, they often wear gloves, but many small tasks are performed bare-handed. The teens hope to raise awareness of how dangerous artificial nails can be in the medical setting. "What shocked me," Leah says, "is how unconcerned some of the nurses were. They did not think their nails were dangerous." Ashleigh agrees and observes that to preserve their manicures , nurses with polish or fake nails tended to scrub less vigorously when washing their hands. Their nails might look nice, but this might contribute to the large... We can know from the passage that Ashleigh Fraser . A) has to quit her fake nails in order to be a nurse B) needn't change much for her dream career C) feels honored to be qualified for being a surgeon D) wants to be a doctor because she dislikes nail polish
B
(Question)
There were times it was only schoolchildren who felt sick before they got their grades. But now teachers in Germany are scared, too, as they are being graded by their students. Many teachers are opposed to it. They don't mind being evaluated . But they are upset because the results are then being posted on the Internet and accessible to millions of Internet users. On the websitewww.spickmich.deduring the past four months students have posted evaluation of 100,000 teachers. The teachers are graded on categories such as "motivated", "good instruction", "easy examinations", or even "sexy". Many teachers think that their privacy has been violated. The creators of the website say that the students are only being offered the chance to provide teachers with some feedback about their classroom instruction. Bernd Dicks, who founded the website with three friends, says that the students are largely quite satisfied with their teachers. On a grading scale of one to six, the teachers' average grade is 2.7 and it has been improving lately. He often says the impression is that students are bullying their teachers. But there is also bullying of the students by teachers. "Teachers must also learn to live with criticism," he added. But still, the website is not totally immune from manipulation , as one teacher near the northern city of Hanover recently proved. He registered himself on the website as a student and then rated his own teaching colleagues highly. Within a few days, seven of his colleagues were listed in the top 10 ranking of Germany's best teachers. We can infer that the founder of the website intended to _ . A) get the students to know their teachers better B) conduct a survey on teachers' performance C) help the teachers to improve their teaching D) change the teachers' ways of giving instructions
(Answer)
C
Every culture has a recognized point when a child becomes an adult, when rules must be followed and tests passed. In China, although teenagers can get their ID cards at 16, many only see themselves as an adult when they are 18. In the US, where everyone drives, the main step to the freedom of adult life is learning to drive. At 16, American teens take their driving test. When they have their license, they drive into the grown-up world. "Nobody wants to ride the cheese bus to school," said Eleanor Fulham, 17. She brought the pressure back to memory, especially from kids from wealthier families. "It's like you're not cool if you don't have a car," she said. According to recent research, 41% of 16 to 19-year-olds in the US own cars, up from 23% in 1985. Although, most of these cars are bought by parents, some teens get part-time jobs to help pay. Not all families can afford cars for their children. In cities with subways and limited parking, some teenagers don't want them. But in rich suburban areas without subways, and where bicycles are more for fun than transportation, it is strange for a teenager not to have a car. But police say 16-year-olds have almost three times more accidents than 18 and 19-year-olds. This has made many parents pause before letting their kids drive. Julie Sussman, of Virginia, decided that her son Chad, 15, will wait until he is 17 to apply for his learner's permit. Chad said he has accepted his parents' decision, although it has caused some teasing from his friends. "They say that I am unlucky," he said, "But I'd rather be alive than driving, and I don't really trust my friends on the road, either." In China, as more families get cars, more 18-year-olds learn to drive. Will this become a big step to becoming an adult? When Chad said "I don't really trust my friends ...", he meant that _ A) he might run into his friends if he drove B) he didn't agree with his friends C) he might not be safe if his friends drove D) he was afraid that his friends might well lie to him
C