There's a "culture of walking and texting" on the Utah Valley University campus, according to conversations with students, but that's not the main reason Matt Bambrough, the creative director at UVU, came up with an idea to paint a "texting lane" on a staircase leading up to the Wellness Center. According to Bambrough, it's first and foremost a design project--the texting lane was a tongue-in-cheek reference to the college-wide epidemic of kids walking around with their faces buried in their iPhones. "You have 18-24-year-olds walking down the hall with smart phones. You're almost bound to run into someone somewhere; it's something we're dealing with in this day and age," Bambrough said. "But preventing collisions isn't the reason we did it--we did it to arouse the students' attention. It's meant to be there for people to look at and enjoy." Still, when talking to Utah Valley students, it sounds like texting and walking can be quite the annoyance. Robbie Poffenberger, an assistant news editor at the UVU Review, said that most collisions he witnesses aren't human-on-human; rather, it's generally human-on-inanimate-object. "They walk into barriers--chairs on the side of the hallway, or railings," Poffenberger said, "I'm sure they're fairly embarrassed." What would most students run into from what Robbie said? A) Students in the same direction. B) Teachers opposite to them. C) Barriers on campus. D) Grass on campus.
C
(Question)
Like people, plants experience stress. And also, like people, the response to that stress can determine success. Bad environmental conditions, such as drought, flood, heat and other stresses, affect yields more than crop pests and diseases. We are trying to find a way to equip plants with the ability to tolerate environmental stress and maintain high yields, said Stephen Howell, a professor of genetics and cell biology. Plant cells produce proteins and ship them to different parts of the cell. Under normal conditions, these proteins are folded into their normal, healthy structures as they are produced. When a plant is under stress, its cells produce poorly folded or unfolded proteins. Then a built-in system senses this and "sets off an alarm in the cell," said Howell. In response to the alarm, another protein (IRE1) starts working and creates a different process which activates the stress response genes whose products bring about defensive measures that help the plant survive. "As it turns out, responses that are activated under stress conditions actually inhibit the growth of plants," said Howell. "This allows them to preserve their energy to survive the stress conditions." For plants in the wild, this response is a help for survival, he said. In production of agriculture crops, however, this response reduces yields. "You don't want crop plants to stop growing," Howell said. "You want them to continue to grow and produce even though they are under stress." With the new understanding of this stress response, the next step may be to silence the alarm system, said Howell. "What may be important is to disable some of these stress responses. That may make the plant more productive under stress conditions." How does Howell intend to make crop plants maintain high yields under stress conditions? A) By making crop plants keep more energy. B) By making crop plants stop growing. C) By making the alarm system stop working. D) By making the alarm system respond quickly.
(Answer)
C
Ques: Oceanography has been defined as "The application of all sciences to the study of the sea". Before the nineteenth century scientists with an interest in the sea were few and far between. Certainly Newton considered some theoretical aspects of it in his writings, but he was reluctant to go to sea to further his work. For most people the sea was remote, and with the exception of early intercontinental travelers or others who earned a living from the sea, there was little reason to ask many questions about it, let alone to ask what lay beneath the surface. The first time that the question "What is at the bottom of the oceans?" had to be answered with any commercial consequence was when the laying of a telegraph cable from Europe to America was proposed. The engineer had to know the depth profile of the route to estimate the length of cable that had to be manufactured. It was to Maury of the US Navy that the Atlantic Telegraph Company turned, in l853, for information on this matter. In the 1840s, Maury had been responsible for encouraging voyages during which soundings were taken to investigate the depths of the North Atlantic and Pacific Oceans. Later, some of his findings aroused much popular interest in his book The Physical Geography of the Sea. The cable was laid, but not until 1866 was the connection made permanent and reliable. At the early attempts, the cable failed and when it was taken out for repairs it was found to be covered in living growths, a fact which defied contemporary scientific opinion that there was no life in the deeper parts of the sea. Within a few years oceanography was under way. In 1872 Thomson led a scientific expedition, which lasted for four years and brought home thousands of samples from the sea. Their classification and analysis occupied scientists for years and led to a five-volume report, the last volume being published in l895. The aim of the voyages Maury was responsible for in the 1840s was _ . A) to make some sounding experiments in the oceans B) to measure the depths of the two oceans C) to estimate the length of cable that was needed D) to collect samples of sea plants and animals
Ans: B
Ques:Too many cars have created a lot of serious problems in our world. Besides congestion , accidents and fast fuel consumption , cars are responsible for a good part of air pollution in big cities. All the time, they are pumping huge amounts of waste gases into the atmosphere. These gases are very harmful, causing disease and even death. Last winter, car fumes formed heavy smog over Beijing, making the sky gloomy for weeks and deteriorating people's health. One possible solution is to design and develop clean cars and clean fuels. In Tsinghua University, campus buses are driven by electricity. In Beijing some of the public buses begin to run on natural gas, which does not give off as much carbon dioxide as the petrol. But it may take decades for the new models of clean cars to completely replace the traditional ones. Another solution is to develop modern public transportation systems and restrict the use of private cars. If the price of petrol rises constantly and the public vehicles are efficient and convenient enough, most people will not use private cars. And the total number of cars in big cities will reduce greatly. On the whole, the elimination of air pollution needs the co-efforts from the government, the public and the environments. This problem will be solved only with the help of science and technology. What is the best title of this passage? A) Air Pollution and Cars B) Air Pollution C) the Cause of the Pollution D) Ways to Solve the car Problem

Ans:
A