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A.cause
B.causing
C.caused
D.to be caused
答案
更多“Without entering the body and()damage, the CT is far superior to the X-ray or exploratory surgery.”相关的问题
第1题
阅读理解
阅读下面的文章，根据文章内容，完成相应的选择题。
FOOD SAFETY
A question that often troubles food companies is how to control problems like rats and insects without harming the food. Pest control experts say poisons should never be used where they may enter food. They say the first line of defense against pests is to clean the places where the food is handled or stored.
Floors, food preparation surfaces and tools can be disinfected with chemicals like chlorine, iodine or bromine. Food containers should be stored about half a meter off the ground and about half a meter away from any walls. Storage areas should be kept dry and clean.
Containers for raw materials such as rice, wheat, etc. should be kept closed and clean. Any foodstuff split during delivery or handling should be cleared up both inside and outside the building. Pests enter a building from the outside, so pay attention to outer walls. Small stones can be used to cover the ground and block the growth of plants and the grass should be kept short to deny pests a place to live.
Check that doors and windows are completely closed. Also any hole that might allow pests to enter a building should be filled. Rats can enter through a hole the size of a coin. A mouse can pass through a hole half that size.
Supervisors should make a list of pest control measures to be taken by employees. This will aid the efforts and also help prepare for any inspections. In most countries, there is a food and drug administration bureau, or some agency with a similar name, which enforces rules nationwide, responsible for rules about the use of pesticides, etc. However, businesses where food is stored, prepared or sold must also follow state and local health laws. Most of these governmental departments or bureaus have their websites with information about food safety policies and other issues. People can easily access the information.
操作提示：通过题干后的下拉框选择题目的正确答案。
1. According to pest control experts, why should poisons never be used in food companies？ {A; B; C}
A. Because they may enter food.
B. Because they may kill rats.
C. Because they may be harmful to the plants.
2. What is the first line of defense against pests？ {A; B; C}
A. To check that doors and windows are completely closed.
B. To clean the places where food is handled or stored.
C. To fill any hole that might allow pests to enter a building.
3. How can floors, food preparation surfaces and tools be disinfected？ {A; B; C}
A. With smoke.
B. With water.
C. With chemicals.
4. Why should attention be paid to outer walls？ {A; B; C}
A. To prevent pests from entering a building from outside.
B. To keep moist from entering a building from outside.
C. To stop sun rays from entering a building from outside.
5. What dose the passage mainly talk about？ {A; B; C}
A. Why poisons should never be used where they may enter food.
B. Why the growth of plants should be blocked and grass be kept short.
C. How to control rats and insects without harming the food.
第2题
The best way to prepare is to start saving early. A new law passed last year makes that easier for some families. So-called 529 plans allow parents to sock away funds in federal-tax-free-investment, accounts, as long as the money is used for "qualified education expenses" like tuition, room and board. The plans aren't for everyone. For tax reasons, some lower and middle-income families may be better off choosing other investments. But saving is vital.
Aid packages usually come in some combination of grants, loans and jobs. These days 60 percent of all aid comes in the form. of low-interest loans. All students are eligible for "unsubsidized" federal Stafford loans, which let them defer interest payments until after graduation. Students who can demonstrate need can also qualify for federal Perkins loans or "subsidized" Staffords, where the government pays the interest during school.
Traditional scholarships, academic or athletic, are still a part of many families' planning. Mack Reiter, a 17-year-old national wrestling champion, gets so many recruiting letters he throws most away. He'll almost certainly get a free ride. Without it, "we would really be in a bind," says his mother, Janet. For everyone else,it's worth the effort to pick through local and national scholarship offerings, which can be found on Web sites like collegeboard, com.
What does the author intend to illustrate with the example of the Harts？
A．The difficulty of paying the tuition.
B．The increasing tuition in the university.
C．The far-sight of the parents.
D．The promising future of Katie.
第3题
A、As entering
B、While entering
C、On entering
D、After entering
第4题
What specific jobs do securities outside dressing rooms do？
A.In addition to ensuring the life style of the performers, they should prevent any person from entry.
B.In addition to ensuring the life safety of the actors, they should stop any reporters from entering
C.In addition to ensuring the life safety of the performers, they should prevent any fans from entering
D.In addition to ensuring the life safety of the performers, they should prevent any unauthorized person from entering
第5题
A.on
B.over
C.in
D.of
第6题
What's the rule for housekeeping before entering a room？()
A.Knock three times with three knocks each time
B.Press the doorbell before entering
C.Each time after the knock, she may say,”Housekeeping, may I come in？”
D.Knock two times with three knocks each time
第7题
A vessel entering the eye of a hurricane should expect ______.
A.moderating winds and heavy confused seas to strike his vessel from all directions
B.the winds to increase to hurricane force and strike from a different direction as the eye passes
C.the barometer to reach the lowest point
D.All of the above
第8题
Which of the following is NOT required for entering most private schools. A. entrance examinations B. taking part in many activities C. GPA D. college prep classes
第9题
Ironically, the first evidence for this idea appeared in the United States. Not long ago, with the country entering a recessing and Japan at its pre-bubble peak. The U.S. workforce was derided as poorly educated and one of primary cause of the poor U.S. economic performance. Japan was, and remains, the global leader in automotive-assembly productivity. Yet the research revealed that the U.S. factories of Honda Nissan, and Toyota achieved about 95 percent of the productivity of their Japanese countere pants a result of the training that U.S. workers received on the job.
More recently, while examing housing construction, the researchers discovered that illiterate, non-English- speaking Mexican workers in Houston, Texas, consistently met best-practice labor productivity standards despite the complexity of the building industry’s work.
What is the real relationship between education and economic development？ We have to suspect that continuing economic growth promotes the development of education even when governments don’t force it. After all, that’s how education got started. When our ancestors were hunters and gatherers 10,000 years ago, they didn’t have time to wonder much about anything besides finding food. Only when humanity began to get its food in a more productive way was there time for other things.
As education improved, humanity’s productivity potential, they could in turn afford more education. This increasingly high level of education is probably a necessary, but not a sufficient, condition for the complex political systems required by advanced economic performance. Thus poor countries might not be able to escape their poverty traps without political changes that may be possible only with broader formal education. A lack of formal education, however, doesn’t constrain the ability of the developing world’s workforce to substantially improve productivity for the forested future. On the contrary, constraints on improving productivity explain why education isn’t developing more quickly there than it is.
31. The author holds in paragraph 1 that the important of education in poor countries ___________.
[A] is subject groundless doubts
[B] has fallen victim of bias
[C] is conventional downgraded
[D] has been overestimated
第10题
Ironically, the first evidence for this ides appeared in the United States. Not long ago, with the country entering a recession and Japan at its pre-bubble peak, the U.S. workforce was derided as poorly educated and one of the primary causes of the poor U.S. economic performance. Japan was, and remains, the global leader in automotive-assembly productivity. Yet the research revealed that the U.S. factories of Honda, Nissan, and Toyota achieved about 95 percent of the productivity of their Japanese counterparts—a result of the training that U.S. workers received on the job.
More recently, while examining housing construction, the researchers discovered that illiterate, non-English-speaking Mexican workers in Houston, Texas, consistently met best-practice labor productivity standards despite the complexity of the building industry's work.
What is the real relationship between education and economic development？ We have to suspect that continuing economic growth promotes the development of education even when governments don't force it. Alter all, that's how education got started. When our ancestors were hunters and gatherers 10,000 years ago, they didn't have time to wonder much about anything besides finding food. Only when humanity began to get its food in a more productive way was there time for other things.
As education improved, humanity's productivity potential increased as well. When the competitive environment pushed our ancestors to achieve that potential, they could in turn afford more education. This increasingly high level of education is probably a necessary, but not a sufficient, condition for the complex political systems required by advanced economic performance. Thus poor countries might not be able to escape their poverty traps without political changes that may be possible only with broader formal education. A lack of formal education, however, doesn't constrain the ability of the developing world's workforce to substantially improve productivity for the foreseeable future. On the contrary, constraints on improving productivity explain why education isn't developing more quickly there than it is.
The author holds in Paragraph 1 that the importance of education in poor countries ______.
A．is subject to groundless doubts
B．has fallen victim of bias
C．is conventionally downgraded
D．has been overestimated
