Read the following article and select the best answer. Article: Zipped into a bag, it looks like a large umbrella. Unfolded, it goes along the street like any other bicycle. It's the "A-bike", the brainchild of British inventor Sir Clive Sinclair, who made history in the 1970s by developing the world's first pocket calculator. He described his new invention as "the world's smallest, lightest foldable bicycle". "My original thought was that if you could have a bicycle that was dramatically lighter and more firm than the ones that exist today, it would change the way in which bicycles are used,"said Sinclair. The mini-bike, showed in Singapore last week and set to go on sale worldwide in 2005 at a price of nearly US$300, is built for riders as heavy as 112 kilograms and is height-adjustable . It takes about 20 seconds to fold or unfold. Its wheels are a quarter the size of those on a regular bicycle, but Sinclair promises a smooth ride for most cyclists. "You require no extra energy to ride the A-bike and it can go up to 15 miles per hour (24 kilometers per hour)," he said. Constructed mainly of plastic, the 5.5-kilogram bicycle folds into a package of less than 0.03 cubic meters . Sinclair also invented the first pocket TV in 1984 and the futuristic C5 electric tricycle in 1985. He said he hoped the bicycle would attract common citizens, officials, campers or anyone needing transport for a short trip and he said the next step for the A-bike was to add an electric motor in a few years. Question: The most important character of this kind of bike is its _ . - big size - light weight - beautiful appearance - foldable structure
foldable structure

(Question)
Read the following article and select the best answer. Article: The Truth Can Set You Free I recently got pulled over for speeding not far from my new home in Virginia. I hadn't been paying attention, and I had driven a few miles an hour over the speed limit. "Can I see your license and registration?" the police officer asked me. I pulled both out for him, and he saw my Pittsburgh address on my Pennsylvania driver's license. "What are you doing here?" he asked. "Are you with the army?" "No, I'm not." I answered. I explained that I had just moved to Virginia, and I hadn't had time to re-register yet. "So what brings you here?" He had asked a direct question. Without thinking very hard, I gave him a direct answer. "Well, officer," I said, "since you've asked, I have cancer. I have just months to live. We've moved down here to be close to my wife's family." "So you've got cancer," he said flatly. He was trying to figure me out. Was I really dying? Was I lying? He took a long look at me. "You know, for a guy who has only a few months to live, you sure look good." He was obviously thinking: "Either this guy is pulling one big fat line on me, or he's telling the truth." He was trying to question my honesty without directly calling me a liar. And so he had forced me to prove that I was being honest. "Well, officer, I know that I look pretty healthy. I look great on the outside, but the tumors are on the inside." And then, I don't know what possessed me, but I just did it. I pulled up my shirt, showing the operational scars. He looked at my scars. He looked in my eyes. He now knew he was talking to a dying man. Well, he wasn't taking this any further. He handed me back my license. "Do me a favor." he said, "Slow down from now on." The awful truth had set me free. As he went back to his police car, I had a realization. I had been one of those gorgeous blondes who could bat her eyelashes and get out of tickets. I drove home under the speed limit, and I was smiling like a beauty queen. Question: The author was stopped by the police officer because _ . - he didn't have a license - he forgot to re-register - he was seriously ill - he drove too fast
(Answer)
he drove too fast

Ques: Read the following article and select the best answer. Article: For a clearer picture of what the student knows, most teachers use another kind of examination in addition to objective tests. They use "essay" tests, which require students to write long answers to broad, general questions such as the following: "Mention several ways in which Benjamin Franklin has influenced thinking of people in his own country and in other parts of the world." One advantage of the essay test is that it reduces the element of luck. The student cannot get a high score just by making a lucky guess. Another advantage is that it shows the examiner more cares about the student's ability to put facts together into a meaningful whole. It should show how deeply he has thought about the subject. Sometimes, though, essay tests have disadvantages, too. Some students are able to write rather good answers without really knowing much about the subject, while other students who actually know the material have trouble expressing their ideas in the essay form. Besides, in an essay test the student's score may depend upon the examiner's feelings at the time of reading the answer. If he is feeling tired or bored, the student may receive a lower score than he should. Another examiner reading the same answer might give it a much higher mark. Because of _ , the objective test gives each student a fairer chance, and of course it is easier and quicker to score. Whether an objective test or an essay test is used, problems arise. When some objective questions are used along with some essay questions, however, a fairly clear picture of the student's knowledge can usually be gotten. Question: The essay test is preferred because _ . - it shows more about the student's understanding of the subject - it tests the student's knowledge of the material as well as his expression of ideas - it gives each student a fairer chance - its scoring may be influenced by the examiner's feelings
Ans: it shows more about the student's understanding of the subject

Question: Read the following article and select the best answer. Article: If a noisy neighbor is blasting music at all hours of the day and night, drowning out your phone conversations and interrupting your sleep, you can call the police. But what is a whale to do? Natural noise from waves, wind, rain and even earthquakes is common in oceans. Unfortunately, man-made noise from oil and gas drilling, sonar, and ships is also present. Low frequency noise has doubled off the California coast every decade since the nineteen sixties. The main reasons are ships' propellers . They not only generate continuous low frequency sound, some propellers cavitate , which means they create air bubbles that collapse, creating loud popping sounds. Whales use low frequency calls to communicate across thousands of miles of ocean. They are threatened by noise pollution because it can prevent them from contacting each other and from locating their foods. Endangered humpback and right whales, which use fibrous baleen to strain food from the water, are the most at risk. Scientists studying right whales off Canada's east coast have discovered that whales are sending louder calls through the water to make themselves heard. Because they invest more energy in making calls, they have less energy available for finding food and mating. Other scientists measuring whale calls against background noise pollution have discovered that right whales have lost about eighty percent of their normal communication area. This could seriously affect survival of this already threatened species. Scientists don't have badges and guns, but they are trying to correct the noise pollution problem. By tracking ships and marine mammals and understanding how noise travels, they are creating sound maps. They hope to get shipping lanes moved so that the noise pollution ships create will not overlap with areas most important to the whales. Question: What does the passage mainly talk about? - Whales are in danger because of the noise. - Noise pollution is affecting whales. - Natural noise is good for whales. - How to protect whales endangered.
Answer:
Noise pollution is affecting whales.