题目内容

Breakfast Studies show that children who eat breakfast do better in school. It doesn’t take much further thought to believe that adults will feel better and perform better at work as well. Whether you work at home, on the farm, at the office, at school, or on the road, it is not a good idea to skip (故意略去) breakfast. If we don’t eat breakfast, we are likely to become tired when our brains and bodies run low on fuel. By mid-morning, a lot of us grab a cup of coffee, or wolf down a sugary candy bar to wake up again. This might work for a few minutes, but by lunchtime we are hungry, bad-tempered, and perhaps our mood might make us a little more likely to make unhealthy choices at lunch. Eating a good breakfast sets the tone for the rest of the day. People who eat breakfast are generally more likely to maintain a healthy weight. Many people believe that they will lose weight if they skip meals, but that isn’t a good idea. The body expects to he refueled a few times a day, so start with a healthy breakfast. A healthy breakfast should contain some protein (蛋白质) and some fiber (纤维). Protein can come from meat, eggs, beans, or soy (大豆). Fiber can be found in whole cereals (谷物), grains or in fruits. A good example of a healthy breakfast might be something simple like a hard boiled egg, an orange, and a bowl of whole grain cereal with soy milk. Adults who eat breakfast will perform better at work.

A. Right
B. Wrong
C. Not mentioned

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第一篇 Counterfeit Making and selling fake copies of well-known products has been a nice little earner for crafty craftsmen over thousands of years: In Roman Gaul, unscrupulous potters would put the seals of better-known competitors on their urns so they would sell better. Until the 1980s, counterfeiting was a relatively small-scale business restricted mainly to copying luxury fashion items, such as watches and leather goods, in limited quantities. But in the 1990s it was transformed into a much bigger, broader industry, with large-scale production and distribution of false versions of such everyday items as biscuits and shampoo. Modern technology is making it ever easier to create near-perfect copies of branded goods for a fraction of the retail price of the real thing. By its nature, the extent of counterfeiting is hard to measure precisely, but a study by the International Chamber of Commerce reckoned that it grew from perhaps 3% of world trade in 1990 to 5% in 1995. John Pepper, hairman of Proter & Gamble, a consumer-goods multinational, says it may now be 7%~9%, or over $450 billion a year. In some developing countries, the authorities have had, at best, an ambivalent attitude towards the booming manufacture of fake goods in their midst. After all, it creates jobs for local people and, at first sight, appears only to hurt foreign firms. Thus the richer countries whose firms are the main victims have had to use a mixture of persuasion and threats to get poorer nations to crack down on the pirates. The Uruguay round of world trade talks, which ended in 1994, resulted in agreement on the Trade Related Aspects of intellectual Property Rights (Trips), which obliges all mender countries of the World Trade Organization to impose penalties for counterfeiting and other breaches of intellectual property rights; to enforce their piracy laws adequately; and to heap firms inhibit trade in faked versions of their products. Besides offering poorer countries trade privileges in return for a clampdown on counterfeiting, rich countries have tried convincing them that if they try harder to enforce intellectual property rights, they will win more foreign investment. But, realizing that persuasion is having little effect, they are also resorting to threats: On January 15th, America issued a warning to the Philippines, the world’s leading piracy centers, that they may have their trade privileges taken away unless they crack down harder on the counterfeiting gangs. The second paragraph is mainly about ______.

A. the extent of counterfeiting in world trade
B. the difficulty in measuring the extent of counterfeiting
C. a study by the International Chamber of Commerce
D. what John Pepper chairman of Procter & Gamble says

嘧啶的分解代谢产物有

A. β-氨基异丁酸
B. 尿酸
C. β-丙氨酸
D. NH3

参与肌酸合成的氨基酸有

A. Met
B. Gin
C. Glu
D. Cly

下述有关NADH+H+的叙述哪些是恰当的

A. 可在胞液中形成
B. 可在线粒体中形成
C. 在线粒体中氧化并产生
D. 在胞液中氧化并产生

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