题目内容
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B. when
C. which
D. where
Grown-ups are often surprised by how well they remember something they learned as children but have never practiced ever since. A man who has not had a chance to go swimming for years can still swim as well as ever when he gets back in the water. He can get on a bicycle after many years and still ride away. He can play catch and hit a ball as well as his son. A mother who has not thought about the words for years can teach her daughter the poem that begins "Twinkle, twinkle, little star" or remember the story of Cinderella or Goldilocks and the Three Bears.
One explanation is the law of overlearning, which can be stated as follows: Once we have learned something, additional learning trials(尝试) increase the length of time we will remember it.
In childhood we usually continue to practice such skills as swimming, bicycle riding, and playing baseball long after we have learned them. We continue to listen to and remind ourselves of words such as "Twinkle, twinkle, little star" and childhood tales such as Cinderella and Goldilocks. We not only learn but overlearn.
The multiplication tables(乘法口诀表) are an exception to the general rule that we forget rather quickly the things that we learn in school, because they are another of the things we overlearn in childhood.
The law of overlearning explains why cramming(突击学习)for an examination, though it may result in a passing grade, is not a satisfactory way to learn a college course. By cramming, a student may learn the subject well enough to get by on the examination, but he is likely soon to forget almost everything he learned. A little overlearning, on the other hand, is really necessary for one's future development.
【小题1】What is the main idea of paragraph 1?
A.People remember well what they learned in childhood. |
B.Children have a better memory than grown-ups. |
C.Poem reading is a good way to learn words. |
D.Stories for children are easy to remember. |
A.presenting research findings |
B.setting down general rules |
C.making a comparison |
D.using examples |
A.a result of overlearning |
B.a special case of cramming |
C.a skill to deal with math problems |
D.a basic step towards advanced studies |
A.Commonly accepted rules. |
B.The multiplication tables. |
C.Things easily forgotten. |
D.School subjects. |
A.It leads to failure in college exams. |
B.It's helpful only in a limited way. |
C.It's possible to result in poor memory. |
D.It increases students' learning interest. |
As A/H1N1 continues to spread, experts from the Centers for Disease Control to the World Health Organization to neighborhood doctors are calling on the people to practice smart flu prevention techniques. Here are some tips to keep body improved and immune(免疫)system ready to fight infection.
Wash Your Hands
And wash them often, in hot soapy water, and for the amount of time it takes you to sing “Happy Birthday” twice.
Get Enough Sleep
This means slightly different things to different people, but try to get 8 hours of good rest each night to keep your immune system in top flu-fighting shape.
Keep Hydrated
Drink enough water each day to clear poisonous matter from your system and keep up good moisture(湿度)production in your body.
Eat Immune-Improving Foods
Keeping you body strong and ready to fight infection is important in flu prevention. Fatty foods can slow your metabolism(新陈代谢), make you feel inactive, and weaken your immune
system. So stick with whole grains, colorful vegetables, and vitamin-rich fruits.
Avoid Alcohol
Alcohol is likely to decrease your resistance to infections and further damages the immune system. So avoid alcoholic drinks to keep your immune system strong.
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Proper exercise-for example walking for 30-40 minutes 3-4 times a week-supports the immune system by increasing circulation, oxygenating the body, removing poisonous material through sweat, and reducing tension and stress. So get moving!
Avoid Contact with Sick People
If you’re coughing or sneezing, cover your mouth(and then wash your hands),and if you have to be around someone who is sick, try to stay a few feet away from them and avoid physical contact.
Know When to Get Help
A/H1N1 can look like regular flu, so don’t feel like you necessarily are infected if you’re exhibiting flu-like symptoms(症状). But do go to your doctor if you live in an area where there are recorded cases, or if your symptoms are very serious.
1.To fight A/H1N1 infection, it’s helpful for us to_______ .
A.sing “Happy Birthday” while washing hands |
B.eat more fatty foods and colorful fruits |
C.keep away from alcoholic drinks |
D.refuse communication with patients |
2.A suitable title for paragraph 7 might be _______.
A.Support the Immune System |
B.Keep Physically Active |
C.Get Enough Sweat |
D.Walk to Reduce Stress |
3.The passage seems to suggest that we should_______.
A.get enough sleep after eating fatty foods |
B.wash hands with soap after a cough or sneeze |
C.drink more water after drinking alcohol |
D.see a doctor immediately if you have flu-like symptoms |
4.What can help clear poisonous matter from the body?
A.Washing your hands. |
B.Eating fatty foods. |
C.Getting enough sleep. |
D.Drinking enough water. |