The National Institute of Mental Health is conducting a far-reaching research to determine
A.extensive
B.refined
C.prevalent
D.tentative
A.extensive
B.refined
C.prevalent
D.tentative
A、norepinephrine
B、Acetylcholine
C、5-HT
D、Dopamine
E、Epinephrine
阅读理解。 |
Alzheimer's disease affects millions of people around the world. American researchers say the disease will affect more than one hundred million people worldwide by the year twenty fifty. That would be four times the current (现在的) number. Researchers and doctors have been studying Alzheimer's patients for a century. Yet the cause and cure for the mental (智力的) sickness are still unknown. However, some researchers have made important steps towards understandingit. Several early signs of the disease involve (涉及) memory and thought processes. At first, patients have trouble remembering little things. Later, they have trouble remembering more important things, such as the names of their children. There are also some physical tests that might show who is at risk of developing Alzheimer's disease. The tests look for proteins (蛋白质) in brain and spinal cord fluid (脊髓). The proteins appear to be found only in people with the disease. The protein tests correctly identify (确定) the presence of the disease in about ninety percent of patients. Now, a much simpler physical test to predict Alzheimer's risk has been developed. Researchers found that trouble with the sense of smell can be one of the first signs of Alzheimer's disease. Using this information, they developed a test in which people were asked to identify twelve familiar smells. These smells included cinnamon (桂皮), black pepper, chocolate, paint thinner (涂料稀释剂), and smoke. The study continued for five years. During this period, the same people were asked to take several tests measuring their memory and thought abilities. Fifty percent of those who could not identify at least four of the smells in the first test had trouble with their memory and thinking in the next five years. Another study has shown a possible way to reduce a person's chances of developing Alzheimer's disease in old age. Researchers in Chicago found that people who use their brains more often are less likely to develop Alzheimer's disease. Those who read a newspaper, or play chess or word games are about three times less likely to develop the condition. Researchers say they still do not know what causes Alzheimer's disease. But they say these findings might help prevent the disease in the future. |
1. What's the main idea of the passage? |
[ ] |
A. Some early signs of the Alzheimer's disease. B. Some physical tests about Alzheimer's disease. C. The research about Alzheimer's disease. D. The patients of Alzheimer's disease. |
2. How many Alzheimer's patients now around the world? |
[ ] |
A. 100 million B. 25 million C. 400 million D. 20million |
3. What is not the early sign of the Alzheimer's disease according to the passage? |
[ ] |
A. Poor memory. B. Proteins exist in the brain. C. Trouble with the sense of smell. D. Less use of the brain. |
4. What does the underlined word "it" in paragraph 1 refer to? |
[ ] |
A. Alzheimer's disease. B. Alzheimer's patients. C. The cause and cure. D. The research. |
5. According to the passage, we can learn that _____. |
[ ] |
A. there are no proteins in the brains of the people with no Alzheimer's disease B. the people who often use their brains will not get Alzheimer's disease C. researchers and doctors have found ways to cure Alzheimer's disease D. the people who have the trouble with the sense of smell will certainly suffer from Alzheimer's disease |
Mental health is our birthright. (46) We don’t have to learn how to be mentally healthy ;it it built into us that our bodies know how to heal a cut or mend a broken bone. Mental health can’t be learned, only reawakened. It is like the immune system of the body, which under stress or through lack of nutrition or exercise can be weakened, but which never leaves us. When we don&39;t understand the value of mental health and we don&39;t know how to gain access to it, mental health will remain hidden from us.
(47) Our mental health doesn’t really go anywhere; like the sun behind a cloud, it can be temporarily hidden from view, but it is fully capable of being restored in an instant. Mental health is the seed that contains self-esteem - confidence in ourselves and an ability to trust in our common sense. It allows us to have perspective on our lives - the ability to not take ourselves too seriously, to laugh at ourselves, to see the bigger picture, and to see that things will work out. It’s a form. of innate or unlearned optimism.
(48) Mental health allows us to view others with sympathy if they are having troubles ,with kindness if they are in pain,and with unconditional love no matter who they are. Mental health is the source of creativity for soving problems, resolving conflict, making our surroundings more beautiful,managing our home life, or coming up with a creative business idea or invention to make our lives easier. It gives us patience for ourselves and toward others as well as patience while driving,catching a fish,working on our car,or raising a child. It allows us to see the beauty that surrounds us each moment in nature,in culture,in the flow of our daily lives.
(49) Although mental health is the cure-all for living our lives,it is perfectly ordinary as you will see that it has been there to direct you through all your difficult decisions.It has been available even in the most mundane of life situations to show you right from wrong,good from bad,friend from foe.Mental health has commonly been called conscience,instinct,wisdom,common sense,or the inner voice.We think of it simply as a healthy and helpful flow of intelligent thought .
(50) As you will come to see ,knowing that mental heath is always available and knowing to trust it allow us to slow down to the moment and live life happily.
46.________________________________
47________________________________
48________________________________
49________________________________
50________________________________
A.succeeded
B.followed
C.ensued
D.proceeded
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