职称英语考试卫生C类模拟试题(一)4

1、职称英语考试卫生c类模拟试题(-)4第3篇Late-night drinkingCoffee lovers beware. Having a quick pick-me-up1 cup of coffee late in the day will play havoc with your sleep. As well as being a stimulant, caffeine interrupts the flow of melatonin, the brain hormone that sends people into a sleep.Melatonin levels normally

2、start to rise about two hours before bedtime. Levels then peak between 2 a.m. and 4 a. m, before falling again. Its the neurohormone that controls our sleep and tells our body when to sleep and when to wake/ says Maurice Ohay on of the Stan ford Sleep Epidemiklogy Research Center at Stanford Univers

3、ity in California. But researchers in Israel have found that caffeinated coffee halves the bodyl levels of this sleep hormone.Lotan Shilo and a team at the Sapir Medical Center in Tel Aviv University found that six volunteers slept less well after a cup of caffeinated coffee than after drinking the

4、same amount of decaf. On average, subjects slept 336 minutes per night after drinking caffeinated coffee, compared with 415 minutes after decaf. They also took half an hour to drop offtwice as long as usuala nd jigged around in twice as much.In the second phase of the experiment, the researchers wok

5、e the volunteers every three hours and asked them to give a urine sample. Shilo measured con centrati ons of a breakers were half those in decaf drinkers. The results suggest that melatonin concentrations in caffeine drinkers were half those in decaf drinkers. In a paper accepted for publication in

6、Sleep Medicine, the researchers suggest that caffeine blocks production of the enzyme the drives melatonin production.Because it can take many hours to eliminate caffeine from the body, Ohayon recommends that coffee lovers switch to decaf after lunch.练习：1. The author mentions pick-me-up to indicate

7、thatA) melatonin levels need to be raised.B) Neurohormone can wake us up.C) Coffee is stimulant.D) Decaf is a caffeinated coffee.2. Which of the following tells us how caffeine affects sleep?A) Caffeine blocks production of the enzyme that stops melatonin production.B) Caffeine interrupts the flow o

8、f sleep hormone.C) Caffeine halves the bodys levels of sleep hormone.D) Caffeine stays in the body for many hours.3. What does paragraph 3 mainly discuss?A) Different effects of caffeinated coffee and decaf on sleep.B) Different findings of Lotan Shilo and a team about caffeine.C) The fact that the

9、subjects slept 415 minutes per night after drinking decaf.D) The evidenee that the subjects took half an hour to fall asleep.4. What does the experiment mentioned in paragraph in paragraph 4 prove?A) There are more enzymes in decaf drinkers urine sample.B) There are more melatonin concertrrations in

10、 caffeine drinkers urine sample.C) Decaf drinkers produce less melatonin.D) Caffeine drinkers produce less sleep hormone.5. The author of this passage probably agrees thatA) coffee lovers sleep less than those who do not drinkcoffee.B) We should not drink coffee after supper.C) People sleep more sou

11、ndly at midnight than at 3 a.m.D) If we feel sleepy at night, we should go to bed immediately.第五部分：补全短文(每题2分，共10分)阅读下面的短文，文童中有5处空白，文童后有6组文字，请根 据文童的内容选择5组文字，将其分别放在文童原有位置，以恢复文 童原貌。请将答案涂在答题卡相应的位置。How one simple movement can let slip the secrets of the mindBody Ianguage is the quiet, secret and most pow

12、erful language of all! It is said that our body movements communicate about 50 per cent of what we really mean while words themselves only express 7 per cent. So, while your mouth is closed, just what is your body sayingArms.-(1)If you keep your a / ins to the sides of your body or behind your backo

13、 this suggests you are not afraid of taking on。whatever comes your wayo -(2)If some on e upsets you, just cross your arms to show youre unhappy!Head. When you want to appear confident, keep your head level. If you are monitor in class, you can also take on this position when you want your words to b

14、e taken seriously.(3)-Legs. Your legs tend to move around a lot more than normal when you are nervous or telling lies. If you are at interviews, try to keep them still!Posture. A good posture makes you feel better about yourself. (4)This makes breathing more difficult, which in turn Can make you fee

15、l nervous or uncomfortable.Mouth. When you are thinking, you often purse your lips. You might4 also use this position to hold back an angry comment you dont wish to show. -(5)-词汇：con fide nt / adj.自彳言日勺purse/vt.皱缩;皱拢outgoing / adj.开朗的posture / n.姿势inwards / adv.向内receptive / adj.善于接受的，能接纳的练习：A If yo

16、u ale feeling down (5),you normally dont sit straight, with your shoulders inwards.B If you are pleased, you usually open your eyes wide and people Can notice this.C Outgoing people generally use their arms with big movements, while quieter people keep them close to their bodies.D How you hold your

17、arms shows how open and receptive you ale to people you meetE However; it will probably still be noticed, and people will know youre not pleased.F However; to be friendly in listening or speaking, you must move your head a little to one side.第六部分：完型填空（每题1分，共15分）阅读下面的短文，文中有15处空白，每处空白给出了 4个选项, 请根据短文的内

18、容从4个选项中选择1个答案,并涂在答题卡相应的 位置上。Eat for a Good and Healthful LifeFood _1_ us alive. It is our sustenance and our pleasure. But recently, research has shown that the eating habits of the average America ns may be dangerous to future health.The foods America ns now choose are oftentimes too _2_ in calorie

19、s and fats, so this article reports a new study: Diet and Health, Implications for Reducing Chronic Disease Risk.The study, conducted _3_ the National Research CourtciTs committee on Diet and Health, _4_ that balancing nutrition, calories and activity is key _5_ enjoying a long and healthful life.Th

20、e report recommends that most America ns increase _6_ activity to a moderate level and make changes in food _7_ and calories in take to maintain ideal weight Most of us even those of us at ideal weightneed to eat _8_ fat sothat no more than 30% of our daily calories will come from fat.That means cut

21、ting _9_ on red meat and whole milk dairy products. _10_, eat fish, chicken without skin# lean meats, and lowfat and nofat dairy products.The report of the Committee on Diet and Health recommends we eat five or more 1/2cup servings of vegetables and fruits _11_ especially green and yellow vegetables

22、 and citrus fruits.Eati ng more fruits and vegetables does nt have to mea n in creased calories in take. Many plant foods are nutrie nt-rich: they provide many vitamins and minerals for very few _12_.Nutrient-rich foods are particularly important for Americans _13_ age 50. As we _14_z we need to eat

23、 less because our bodies need _15_ calories to function properly. But we still need full measures of vitamins and minerals to release the energy in our foods and make us feel strong and healthy.1. A remain B remains C keep D keeps2. A full B rich C little D special3. A by B at C with D for4. A doubts B con eludes C knows D reasons5. A about B to C of D for6. A mental B spare C physical D chemical7. A choose B chooses C chose D choices& A little B much C less D more9. A up B down C hard D off10. A However B Or C Indeed D Rather11. A day B daily C year D annually