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【单选题】
Stomach Ulcer Stomach ulcers are the cause of severe pain for many people. Doctors have been able to help lessen the pain of ulcers. They could not cure them. Now doctors have discovered a cause of ulcers. This means they may have found a way to cure people who suffer from the stomach pain. Studies show that ten percent of the population will develop an ulcer at some time in their life. So a possible cure is good news for many people. Ulcers are wounds in the stomach that are similar to small cuts or tears. These wounds can harm the tissue in the stomach, the pipe that carries the food to the stomach or parts of the small intestines. Fluids in the stomach then increase the pain of an ulcer. How does a person know he or she has an ulcer? Doctors say most people with ulcers feel a burning pain in their chest or stomach3. This pain often is called heartburn. It usually happens before eating or during the night. It causes some people to lose their desire to eat, or they are unable to keep food in their stomachs. Doctors believed that ulcers were caused by unusually strong stomach fluids, which damaged stomach tissue. Now they have discovered that most ulcers are caused by a bacterial organism called Hillico Bactor Pilorie or H Pilorie. H Pilorie bacteria are what make stomach produce extra stomach fluid. Doctors found that they can kill the bacteria with medicines called antibiotics. Health experts say the discovery of a cure for ulcers can save thousands of millions of dollars in medical costs. They also believe curing ulcers will reduce the number of people who develop, stomach cancer. The number of people with stomach cancer is very high in Japan, Southeast Asia and pans of Africa. Doctors say a person is more likely to get an ulcer if someone in his or her family has had one. In fact a person with the family history of ulcers is three times more likely to get one than other people. There are ways people can protect themselves from developing an ulcer. Doctors say it is more important to reduce the amount of strong fluids in the stomach. To do this, doctors say, people should not smoke cigarettes or drink alcohol. And they say people should reduce tension in their lives. In the past, doctors couldn't do anything about stomach ulcers.
A.
Right
B.
Wrong
C.
Not mentioned
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参考答案:
举一反三
【单选题】混悬剂的质量评价不包括
A.
粒子大小的测定
B.
絮凝度的测定
C.
溶出度的测定
D.
流变学测定
E.
重新分散试验
【简答题】Bear Flag Robotics Bear Flag is building autonomous tractors. They claim to be able to reduce input by 20 percent and increase production yield by 11 percent. They’re already testing tractors in the f...
【单选题】Robo是GMT工业公司的分权经营的分部,正在准备对RSP公司的一个潜在项目竞标。Robo分部得到消息,RSP公司不会考虑标价超过$8,000,000的投标。Robo从GMT的Cross分部购买材料。Robo和Cross两个分部都不会产生额外的固定成本。该项目的相关信息如下。 Cross分部 Robo分部 变动成本 $1,500,000 $4,800,000 转移价格 3,700,000 - 如果...
A.
$(500,000)和$(2,000,000).
B.
$3,200,000和$(500,000).
C.
$(500,000)和$1,700,000.
D.
$3,200,000和$1,700.000.
【简答题】减小或消除工件内应力的措施有哪些?
【判断题】54XLGLX.曲线外轨设置超高的目的之一是防止车辆通过曲线时向内侧倾倒。
A.
正确
B.
错误
【单选题】液-液萃取平衡关系常用的是相图,其中以 最为简便。
A.
等边三角形
B.
直角三角形
C.
正方形
D.
以上三种均可以
【单选题】混悬剂的质量评价不包括
A.
粒子大小的测定
B.
絮凝度的测定
C.
溶出度的测定
D.
重新分散试验
【简答题】减小应力的措施有哪些?
【多选题】下列树种中,果实类型为蒴果的有( )。
A.
毛泡桐
B.
毛白杨
C.
刺槐
D.
香椿
【单选题】混悬剂的质量评价不包括
A.
沉降容积比的测定
B.
絮凝度的测定
C.
溶出度的测定
D.
流变学测定
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