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How many drugs does Ben Cao Gang Mu include？ It includes ________drugs.
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更多“How many drugs does Ben Cao Gang Mu include？ It includes ________drugs.”相关的问题
第2题
— It costs us ten thousand dollars.
A.How many does the printing of the annual report cost.
B.What does the printing of the annual report make.
C.How much does the printing of the annual report cost.
第4题
Which of the following does the passage infer？
A．We now fully understand how risk factors trigger heart attacks.
B．We recently began to study how risk factors trigger heart attacks.
C．We have not identified many risk factors associated with heart attacks.
D．We do not fully understand how risk factors trigger heart attacks.
第5题
But the fact remains that 2 million Americans—most of them women and girls—do suffer from eating disorders. In the most extreme cases they literally starve themselves to death. And those who survive are at greater risk of developing brittle bones, life-threatening infections, kidney damage and heart problems. Fortunately, doctors have learned a lot over the past decade about what causes eating disorders and how to treat them.
The numbers are shocking. Approximately 1 in 150 teenage girls in the U. S. falls victim to anorexia nervosa, broadly defined as the refusal to eat enough to maintain even a minimal body weight. Not so clear is how many more suffer from bulimia, in which they binge on food, eating perhaps two or three days’ worth of meals in 30 minutes, then remove the excess by taking medicine to move the bowels or inducing vomiting. Nor does age necessarily protect you. Anorexia has been diagnosed in girls as young as eight. Most deaths from the condition occur in women over 45.
Doctors used to think eating disorders were purely psychological. Now they realize there’s some problematic biology as well. In a study published in the Archives of General Psychiatry recently, researchers found abnormal levels of serotonin, a neurotransmitter in the brain, in women who had been free of bulimia for at least a year. That may help explain why drugs have allowed a lot of people to stop swallowing in large doses of food. Unfortunately, the pills don’t work as well for denial of food. Nor do they offer a simple one-stop cure. Health-care workers must re-educate their patients in how to eat and think about food.
How can you tell if someone you love has an eating disorder？ “Bulimics will often leave evidence around as if they want to get caught.” Says Tamara Pryor, director of an eating-disorders clinic at the University of Kansas in Wichita. Anorexics, by contrast, are more likely to go through long periods of denial.
第36题：We can infer from the first paragraph that _____.
［A］ the media has mislead the public’s view of celebrities
［B］ there is much misunderstanding about eating disorders
［C］ body image concerns are an indication of eating disorders
［D］ the entertainment industry is combating eating disorders
第6题
Digital Natives
David is not very comfortable with new technology and he does not have many gadgets. Lucy loves new technology. She owns a games console, an MP3 player, and a mobile phone with a built-in digital camera. David is a teacher. Lucy is his student.
Like Lucy, many children grow up using computers almost every day and often know more about technology than adults. Educator Marc Prensky calls children like Lucy “digital natives”. Digital natives can quickly learn how to use new gadgets and new software, while non-digital natives spend a lot of time reading manuals and worrying about computer viruses. In fact, many parents try to save time by asking their children to teach them how to use new technology!
The divide between digital natives and non-digital natives can cause problems at school because students and teachers grow up with very different ideas about technology. Many teachers think that playing computer games is a waste of time and that technology has made children unable to concentrate. However, many students think their classes are slow and boring, and want to use computers to study.
Prensky believes that digital natives have learned a lot from technology, but that they learn things in a different way. For example, reading a website is different from reading a book, so digital natives are good at finding the information they need and choosing what they want to read. So perhaps teachers need to change the way they teach and use more technology in class – because the number of digital natives will keep increasing!
1.David is a digital native.()
2.Marc Prensky is interested in teaching with technology.()
3.Digital natives are comfortable using laptops and flash drives.()
4.Many teachers think computer games are only for having fun or killing time.()
5.People read books and websites in the same way.()
第7题
虽然我们在本章中建立的凯恩斯交叉图假设税收是一个固定量，但在许多国家(包括美国)税收取决于收入。我们用下式写出税收收入，以代表税制：
和t为税收的参数；参数t为边际税率：如果收入增加1美元，税收增加t×1美元。
a．这种税制如何改变消费对GDP变动做出反应的方式？
b．在凯恩斯交叉图中。这种税制如何改变政府购买乘数？
c．在IS-LM模型中，这种税制如何改变IS曲线的斜率？
Although our development of the Keynesian cross in this chapter assumes that taxes are a fixed amount, in many countries (including the United States) taxes depend on income. Let's represent the tax system by writing tax revenue as where and t are parameters of the tax code. The parameter t is the marginal tax rate: if income rises by $1, taxes rise by t×$1.
a．How does this tax system change the way consumption responds to changes in GDP？
b．In the Keynesian cross, how does this tax system alter the government-purchases multiplier？
c．In the IS-LM model, how does this tax system alter the slope of the IS curve？
第8题
The 2014 Ebola outbreak is the largest in history and the first Ebola outbreak in West Africa. Although the current epidemic does not cause a significant risk to other nations, many countries, including China and the United States of America, have actually been working closely with the Ebola hit states. For example, the U.S. Centers for Disease Control and Prevention (CDC) is taking precautions at home besides its activities abroad.
CDC's team of “virus hunters” is supported by specialized public health teams both in West Africa and at the CDC Atlanta headquarters. Together, they offer continuous support to save lives and protect people. CDC works closely with a number of U.S. government agencies, national and international partners. CDC's experience of working with Ebola is important to the World Health Organization's growing West Africa Ebola response.
On Sept. 2, 2014, CDC Director, Tom Frieden called for more international partners to join this effort. “The sooner the world comes together to help West Africa, the safer we all will be. We know how to stop this outbreak. There is a window of opportunity to do so the challenge is to scale up the massive response needed to stop this outbreak.”
CDC's response to Ebola is the largest international outbreak response in CDC's history with over 100 disease specialists on the ground in West Africa, supported by hundreds of public health emergency response experts stateside , activated at Level 1, its highest level, because of the significance of this outbreak.
The CDC supports affected countries to establish Emergency Operations Centers at national and local levels and helps countries track the epidemic including using real-time data to improve real-time response.
Efforts in West Africa to identify those infected and track people who have come into contact with them are improving. The CDC is operating and supporting labs in the region to improve diagnosis and testing samples from people with suspected Ebola from around the world. Local health care systems are strengthened through communication, coordination with partners and training on infection control for health care workers and safe patient treatment.
26. How could we describe the 2014 Ebola outbreak？
A. The first one in western countries.
B. It did not ever threaten West Africa.
C. Not the first but the largest one.
27. The 2014 Ebola outbreak response was()？
A. an American stateside activity.
B. an international activity.
C. a regional activity.
28. What does the underlined word “massive” mean in Paragraph 3？
A. huge.
B. quick.
C. urgent
29. How many disease specialists from CDC have gone to West Africa for the Ebola response？
A. Less than 100.
B. A hundred.
C. More than 100.
30. What action does CDC take to respond to the large Ebola outbreak？
A. Work closely with governmental, national and international partners.
B. Call for more partners to join this effort.
C. Establish Emergency Operations Centers.
第9题
Perhaps the best way to deal with such moods is to talk them out ;sometimes, though, there is no one to listen. Modem pharmacology (药物学)offers a lot tranquilizers (镇定剂)and anti-anxiety drugs. What many people don’ t realize, however, is that scientists have discovered the effectiveness of several non-drug methods to make you free from an unwanted mood. These can be just as useful as drugs,and have the added benefit of being nonpoisonous. So next time you feel out of sorts,don’ t head for the drug store—try the following method.
Of all the mood-changing self-help techniques, aerobic exercise seems to be the best cure for a bad mood. “If you could keep the exercise,you’d be in high spirits，’’says Kathryn Lance，author of Running for Health and Beauty.
Researchers have explained biochemical and various other changes that make exercise compare favorably to drugs as mood-raiser. Physical work such as housework,however，does little. The key is aerobic exercise—running, cycling, walking, swimming, or other repetitive and sustained activities that increase the heart rate and circulation(循环)，and improve the body’s use of oxygen. Do them for at least 20 minutes a time,three to five times a week. What is the main subject of the passage？
A.How to beat a bad mood
B.How to talk bad moods out.
C.How to do physical exercises.
D.How to do aerobic exercise
It can be inferred from the passage that_____.A.when one is in a bad mood,he or she may not work very well
B.the best way to overcome a bad mood is to talk to oneself
C.some drugs are more effective than physical exercises
D.taking drugs is at the risk of being poisonous
“Feel out of sorts”，as it is used in the second paragraph,could best be replaced byA.put things in order
B.are in a bad mood
C.search for tranquilizers
D.want a mood-raiser
Which of the following best describes the organization of this passage？A.An exercise and its importance are explained
B.A problem is examined and solutions are given
C.Two different views of a problem are presented
D.Recent developments in medicine are described
请帮忙给出每个问题的正确答案和分析，谢谢！
第10题
, although I still hold that it is essential for everyone in the world today. As a top junior student in my college, I was asked to make a speech on how to learn English well. Standing in front of the audience facing so many freshmen, I was trembling. I didn’t remember any word that I had prepared. I ran out of the conference room without finishing my speech, leaving everyone puzzled. I cried that night in my room, feeling that I was a loser. Studying takes so much of my time that I feel unable to really develop myself. I am just storing knowledge; yet fail to communicate with others. I have received many awards in school, but they don’t necessarily reflect anything about me. I don’t know how to socialize. When I leave
school I fear I will be of no use to society.
I realize that everyone has her or his own way of living. I want to change my lifestyle. Of course I will keep studying. Yet I plan to look for a part time job, which might turn out to be a good chance to get to know society. I still believe that working my hardest does make me happy. I will still stay on in college, but I will not allow it to shelter me from the real world.
26.From this passage, we know that the author ____________.
A.does not think education is the most important thing in her life any more
B.thinks that communication with other people is more important than
education
C.realizes that it is more important to really develop oneself than just to store
knowledge
D.comes to learn how important it is to make a public speech
27. By saying that she is ―a junior student‖ in her college, the author means that she is ____________.
A.a student in her third year in college
B.a very young college student
C.younger than most students in college
D.shorter than others in college
28.The author thinks the awards she has received ____________.
A.show that she is a top student
B.show how much time she has spent in learning
C.mean she only knows how to learn, but not how to socialize
D.don’t necessarily reflect her real self
29.The author fears that she will be of no use to society, mainly because ____________.
A.she feels she is a loser
B.she does not know how to communicate with others
C.studying takes too much of her time
D.she is unable to develop herself
30.Which of the following statements is not true according to the passage, when the author says that she wants to find a part time job？
A.The job might enable her to get to know society.
B.She wants to change her lifestyle.
C.Working part time while studying will make her happy.
D.She wants to get some shelter from the real world.
