Ques: Article: My 11-year-old son and I rides bikes to and from his school every day. I accompany him on the 20-minute ride through Manhattan, drop him off and return at the end of day to pick him up. We always ride together; sometimes he leads; sometimes I do. And as we ride, we communicate the ways to minimize the dangers: Don't go too fast, and watch out for doors suddenly swinging out from parked cars and jaywalking pedestrians, etc. Some friends worry about the risk of riding in traffic, but is there a better way to let my son know how to deal with traffic dangers? But recently he requested me to start hanging back a half block or so. This way he could enjoy the feeling of riding on his own, with the security of knowing that I was nearby in case he needed me. This is healthy, of course, as my son needs space to develop independence in preparation for his inevitable (,) departure from home. However, that means soon he will want to ride to school on his own, and I will no longer have this wonderful routine. "Let your children go if you want to keep them." I understand this and am trying to let my son go in age-appropriate phases, but I still suffer. It's one of the most troubling experiences of parenthood -- recognizing that your presence is becoming less welcome. My dilemma as a husband mirrors the concern I feel as a parent. My wife has just left on a six-month mission to cover the situation in Libya. In the days leading up to her departure, we spoke openly about the possibility, however unlikely, that she might be killed. But while I influence her decisions, I do not control them. Finally, it was her decision. I know that letting go is the wisest path in this case too. As we travel through life's phases, we must let go of so much. And I don't think it gets easier with practice. But maybe just accepting that eventually we will have to let go is the secret to living a full life. Question: What does the writer's wife do? Yes or no, is the answer "She is a media person."?
Ans: Yes

Ques: Article: Medical drugs sometimes cause more damage than they cure. One solution to this problem is to put the drugs inside a capsule, protecting them from the body--and the body from them--until they can be released at just the right spot. There are lots of ways to trigger this release, including changing temperature, acidity, and so on. But triggers can come with their own risks--burns, for example. Now, researchers in California have designed what could be a harmless trigger to date: shining near-infrared light (NIR, ) on the drug in the capsule. The idea of using light to liberate the drug in the capsule isn't new. Researchers around the globe have developed polymers and other materials that begin to break down when they absorb either ultraviolet (UV, ) or visible light. But tissues also readily absorb UV and visible light, which means the drug release can be triggered only near the skin, where the light can reach the capsule. NIR light largely passes through tissues, so researchers have tried to use it as a trigger. But few compounds absorb NIR well and go through chemical changes. That changed last year when Adah Almutairi, a chemist at the University of California, San Diego, reported that she and her colleagues had designed a polymer that breaks down when it absorbs NIR light. Their polymer used a commercially available NIR-absorbing group called o-nitrobenzyl (ONB). When they catch the light, ONB groups fall off the polymer, leading to its breakdown. But ONB is only a so-so NIR absorber, and it could be poisonous to cells when it separates from the polymer. So Almutairi and her colleagues reported creating a new material for capsules that's even better.This one consists of a long chain of compounds called cresol groups linked in a polymer. Cresol contains reactive components that make it highly unstable in its polymeric form, a feature Almutairi and her colleagues use to their advantage. After polymerizing the cresols, they cap each reactive component with a light-absorbing compound called Bhc. When the... Question: Why is ONB unsatisfactory? Yes or no, is the answer "It is not effective enough and could be poisonous."?
Ans: Yes

Ques: Article: Moods, say the experts, are feelings that tend to become fixed, influencing one's outlook for hours, days or even weeks. That's great if your mood is a pleasant one, but a problem if you are sad, anxious, angry or simply lonely. Perhaps the best way to deal with such moods is to talk them out; sometimes, though, there is no one to listen. Modern pharmacology offers a lot of tranquilizers What many people don't realize, however, is that scientists have discovered the effectiveness of several non-drug methods to set you loose from an unwanted mood. These can be just as useful as drugs, and have the added benefit of being nonpoisonous. So next time you _ don't head for the drug-store but try the following methods. Of all the mood-altering self-help techniques, aerobic exercise seems to be the most efficient cure for a bad mood. "If you could keep up the exercise, you'd be in high spirits, " says Kathryn Lance, author of Running for Health and Beauty. Researchers have explained biochemical and various other changes that make exercise compare favourably to drugs as a mood raiser. Physical exertion such as housework, however, does little. The key is aerobic exercise--running, cycling, walking, swimming or other repetitive and sustained activities that increase the heart rate, increase blood circulation and improve the body's use of oxygen. Do some of the activities for at least 20 minutes a session three to five times a week. Question: It can be inferred from the passage that _ Yes or no, is the answer "when in a bad mood, one may not work very efficiently"?
Ans: No

Ques: Article: China's economy grows,salaries rise;and more city residents feel the need to hit the road in what has become a symbol of individuality and freedom--a car.China has a growing love affair with the car.This is clear at the Beijing Asian Games Village Automobile Exchange,where more and more people come to look and,increasingly,to buy. The Asian Games Village Automobile Exchange is the biggest car dealership inBeijing.General manager Guo Yong says the business sells more than 2,000 cars each week.Guo says it is much easier for Chinese consumers to buy a car now.Also,the emergence of less expensive domestic brands like Chery and BYD means more Chinese can afford cars. For decades,most Chinese city residents have got about by bicycle or public buses and trains.Now,in many areas,the number of new cars is growing faster than the road system,leaving city streets jammed with traffic. Guo Liang has wanted to buy a car for a decade,and he will be the first in his family to own one.He is not prevented by Beijing's traffic jams.Guo says if the traffic is too bad,he will use the ear for leisure or holidays with his family. World Bank transportation specialist Shomik Mendhiratta says a car is something people in any society would be eager to own."Getting a car makes people feel like they have arrived in the middle class."Mendhiratta said."It has got a huge status associated with it.It's a fantastic thing to have,if you have never had a car.A car gives you a mobility that's unbelievable." Question: Which of the following doesn't a car represent,according to the passage? Yes or no, is the answer "Opportunity."?
Ans:
No