老师是否已批卷：图例：Right or marked by instructor Wrong To be marked by instructorA. Begin swimming.B. Start weight lifting.C. Look at herself differently.D. Eat better to lose weight.A. Bill took drugs.B. Bill exercised a lot.C. Bill grew new muscles.D. Bill had a new coach.A. He was able to exercise every day after work.B. He cannot count the ways his life has changed.C. Others have asked him how he's gotten healthy.D. People have changed their attitude toward him.A. Healthy vegetables are very expensive for some people.B. The woman doesn't have a good excuse not to exercise.C. Running outside is the best way for a person to exercise.D. Healthy living isn't something to make excuses for.A. Taking a new pill.B. Going on a diet.A. How water-dense foods can help you lose weight.B. What fruits and vegetables have in common.C. Why one should eat foods with fewer calories.D. Where people get most of their calories.A. They are rich in taste.B. They give calories for energy.C. They contain many calories.D. They contain a lot of water.A. A sandwich.B. A bowl of soup.C. A salad.D. Some fruit.A. Eating only when hungry.B. Eating foods low in calories.C. Getting one's water from food.D. Filling up one's stomach with water.A. They are convenient.B. They are low in calories.C. They cost more.D. They leave you hungry.A. Boyfriend and girlfriend.B. Husband and wife.C. Father and daughter.D. Mother and son.A. How to beat a bad mood.B. How to do physical exercise.C. How to talk bad moods out.D. How to be involved in physical exercise.A. To have enough rest.B. To do some housework.C. To take drugs.D. To talk it out.A. They are the most effective.B. They are useful but aren't best.C. They are only what doctors like.D. They are ineffective.A. Swimming.B. Doing housework.C. Cooking.D. Washing.A. Three to five times a week.B. Twenty minutes a week.C. No less than three times a week.D. No more than five times a week.A. It is a great workout.B. It is a summertime activity.C. It is an activity that slows breathing.D. It is an exercise that is done outside.What disappears for someone who is hiking?A. Green trees.B. Beautiful nature.C. City life.D. Precious things.Once you take up hiking in nature as something you do, you________.A. feel much bigger than beforeB. love it and want to do it oftenC. wish you lived outside of the cityD. look for new hiking places, like ArizonaHow do you feel after you've begun hiking?A. Intimidated.B. Thoughtful.C. Lonely.D. Free from stress.How is running different than walking?A. Running is harder on the legs.B. Running is better for weight loss.C. Running is good for a person's heart.D. Running is a cause for improved thinking.壳) removed from the grain, called "white—even that a lack of some From the context, what do you think the author mentions inthe paragraph that is just before this first paragraph?A. One example of the importance of vitamins.B. One example of the benefits of eating healthy foods.C. One example of the dangers of a restricted diet.D. One example of the benefits of various vitamins.The disease "beri-beri" ________.A. kills large numbers of Western peoplesB. is a vitamin deficiency diseaseC. is transmitted by diseased riceD. can be caught from diseased chickensThe chickens Eijkman noticed in the hospital yard ________.A. couldn't digest the huskless riceB. proved beri-beri is transmitted by germsC. were later cooked for the patients' foodD. were suffering from vitamin deficiencyHuskless, white rice ________.A. was cheaper than brown riceB. was less beneficial to the body than brown riceC. was more beneficial to the body than brown riceD. cured beri-beriThe ingredient missing from white rice ________.A. was Vitamin BB. did not affect the chickensC. was named the Eijkman vitaminD. has never been accurately identified素食) on a long-term basis is the difficulty of getting enough—the body-building element in food. If you have ever been禁食) is over 氨基酸), which are found in greater amounts in生理学) point of view there is not much to be said in favor of life-long克) of protein a day, has to consume aA strict vegetarian ________.A. rarely eats animal productsB. sometimes eats eggsC. never eats any animal productsD. never eats proteinWe feel weak when we go without meat and other animalproducts _____.A. because we are reducing our food amountB. because we do not get enough proteinC. because vegetables do not contain proteinD. unless we take plenty of exerciseProteins are built up from ________.A. about twenty different foodsB. about twenty different vegetablesC. various fats and sugarsD. about twenty different amino acidsPhysiologically, life-long vegetarianism may not be goodbecause ______.A. it makes people very thinB. the body must process too much wasteC. the farmer loses moneyD. vitamin-deficiency diseases may resultOne thing in favour of vegetarianism is that ________.A. vegetable food is easier to digestB. animal food is less expensiveC. vegetable food is cheaperD. vegetable food contains more amino acids溶解于水的) Vitamin C, should not be lost 营养) experts today would recommend a balanced碳水化合物), fats, minerals and water. The mostthey ________.A. need more protein than vegetables can supplyB. cannot digest vegetablesC. use more energy than adultsD. cannot easily digest milk and milk productsA lacto-vegetarian can eat _________.A. cheese, beef, and nutsB. carrots, milk, and riceC. potatoes, ham, apples, and beansD. tomatoes, bacon, and orangesSlow and careful cooking of meat ________.A. preserves the vitaminsB. breaks down the vitaminsC. makes it easier to digestD. reduces the protein contentThe reason why the vitamin loss in fruit is not important isthat ________.A. vitamins in fruit are not removed by cookingB. chemicals are often used in the cooking of fruitC. fruit has too few vitamins to be important to one's dietD. the cooking water is usually eaten along with the fruit Most nutrition experts today believe the food we eat shouldcontain ________.A. more meat than vegetablesB. more vegetables than meatC. fruit, cereals and fish as well as meat and vegetablesD. as many different kinds of vegetables as possible产出) as corn, wheat or milk. The exact process is波). Unplanned or uncontrollable influences may cause the actual反馈) is to provide informationWhat is included in a store's inputs?A. Its equipment.B. Its workers.C. Its managers.D. Its departments.Which of the following is a farmer's output?A. Operation system.B. Wheat and corn.C. His labor.D. Transformation.The production function is ________.A. the random fluctuation that can be eliminatedB. the transformation of resources into other thingsC. the goods and services that are used by peopleD. the value added to items that have been transformedWhat is the effect of unplanned or uncontrollable influences?A. Quality of output will always be reduced some.B. Actual output can be different from planned output.C. Random fluctuations can arise from external sources.。