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Based on Good Clinical Practice (GCP) guidelines, the research site investigator has the primaryresponsibility for selecting study monitors.（）
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A.equipment
B.facilities
C.functions
D.services
A、to operate
B、operating
C、operated
D、is operated
How useful are the views of public school students about their teachers？
Quite useful, according to preliminary results released on Friday from a research project that is intended to find new ways of distinguishing good teachers from bad.
Teachers whose students described them as skillful at maintaining classroom order, at focusing their instruction and at helping their charges learn from their mistakes are often the same teachers whose students learn the most in the course of a year, as measured by gains on standardized test scores, according to a progress report on the research.
Financed by the Bill and Melinda Gates Foundation, the two-year project involves scores of social scientists and some 3,000 teachers and their students in districts such as New York and Pittsburgh.
Statisticians began the effort last year by ranking all the teachers using a statistical method known as value-added modeling, which calculates how much each teacher has helped students learn based on changes in test scores from year to year.
Thousands of students have filled out confidential questionnaires(秘密调查问卷)about the learning environment that their teachers create. After comparing the students ratings with teachers value-added scores, researchers have concluded that there is quite a bit of agreement.
Classrooms where a majority of students said they agreed with the statement, "Our class stays busy and doesnt waste time," tended to be led by teachers with high value-added scores, the report said.
The same was true for teachers whose students agreed with the statement, "In this class, we learn to correct our mistakes."
Few of the nations 15,000 public school districts systematically question students about their classroom experiences, in contrast to American colleges, many of which collect annual student evaluations to improve instruction, Dr Ferguson said.
Until recently, teacher evaluations were little more than a formality(形式)in most school systems, with the vast majority of instructors getting top ratings, often based on a principals superficial impressions.
But now some 20 states are overhauling their evaluation systems, and many policymakers have been asking the Gates Foundation for suggestions on what measures of teacher effectiveness to use, said Vicki L. Phillips, a director of education at the foundation.
One notable early finding, Ms Phillips said, is that teachers who incessantly(不停地)drill their students to prepare for standardised tests tend to have lower value-added learning gains than those who simply work their way methodically through the key concepts of literacy and mathematics.
What is said about teachers rated as good at keeping their classes in order？
A．Their students gain more in test scores.
B．Their classes stay busy and don"t waste time.
C．Their students learn fastest during a semester.
D．They help students learn to correct their mistakes.
The principle states that a behavior. is influenced or affected by how the environment ---- people, places and things ---- immediately responds to the behavior.Perhaps without realizing it, you have used this principle many times.
On the occasion when you told your child what a good boy he was after he cleaned up his room, you used the principle.When you sent your child to his room for fighting with his brother, you used the principle.When I gave Kim a cookie after she started to cry, I used the principle.In each of these examples, a particular behavior. occurred first ---- cleaning up a room, fighting, and crying.
In addition, there was a reaction to each behavior. ---- the child was praised, sent to his room, or given a cookie.By these actions, we have influenced the previous behaviors and have helped to determine whether those behaviors will occur again in the future.
1、The lecture is mainly about Children's behavior. and our response.()
2、The lecture is based on the principle in behavioral psychology.()
3、The audience at this lecture might be social workers.()
4、According to the lecture, the child was sent to his room as a kind of reward.()
5、People, places and things are elements of "environment" meant by the lecturer.()
Questions are based on the following passage.
Cocoa contains chemicals calledflavanols （黄烷醇 ） that may help reduce the risk of strokes and heart attacks by lowering blood pressure and improving the body"s use of insulin （胰岛素 ） .
Washington chocolate producer Steve Kumar said that is one reason dark chocolate is increasingly popular among his customers. "A lot of people are attracted by dark chocolate because they just decide they love it， and they also have been reading all about the health benefits of dark chocolate，" said Kumar.
But those benefits have not been confirmed by studies involving large numbers of people. Also， during the production of chocolate， a lot of flavanols are destroyed， while sugar and fats are added to contribute to flavor.
Scientists now want to learn the benefits of flavanols in their pure form.
They plan a four-year study of 18，000 adults， who will take pills of pure cocoa flavanols， in what is being called the largest test of its kind. Jo-Ann Manson， of the Brigham and Women"s Hospital in Boston， is the lead researcher. "This pill of cocoa flavanols will avoid having the calories and the sugar and the fat found in chocolate，" said Manson. The pills also won"t have any taste. Participants，divided in two groups， will take two identical pills a day. One group"s pills will contain flavanols， while the others will getplacebo （安慰剂 ） pills. "The amount of chocolate that it would take in order to have this amount of cocoa flavanols would be more than ten times the amount that people would ordinarily eat，" said Manson.
Whatever the outcome of the study， Kumar said he"s not worried about his business. "People like the experience of actually biting into a piece of chocolate，whatever their favorites are，" he said.
The flavanol benefits test is still in the early stage， so scientists are not sure when the participants will be handed their first chocolate pills.
What chemical in cocoa may do good to the heart according to the passage？ 查看材料
A.Fat.
B.Insulin.
C.Sugar.
D.Flavanols.
1.Which of the following statements is supported by the passage？ ()
A、The college students have trouble separating good plants from wild grass
B、Craftsman s experience is usually unscientific
C、The contemptuous (傲慢的 ) college students will receive nothing from craftsmen
D、Traditional practices are as important as experience for the college student
2.The main idea of this passage is about ().
A、what to learn from the parents
B、how to gain knowledge
C、why to learn from craftsman
D、how to deal with experience
3.From this passage we can infer that ().
A、we ll invite the craftsman to teach in the college
B、schools and books are not the only way to knowledge
C、scientific discoveries late based on personal experience
D、discoveries and rediscoveries are the most important source of knowledge for a college student
4.In the last paragraph the phrase "this wide, confused wilderness" refers to ().
A、personal experience
B、wild weeds among good plants
C、the information from the parents ？the vast store of
D、traditional practices
5.The author advises the college student to () .
A、be contemptuous to the craftsman
B、be patient in helping the craftsman with scientific terms
C、learn the craftsman s experience by judging it carefully
D、gain the craftsman s experience without rejection
Questions下列各 are based on the following passage.
A newstudy shows a large gender gap on economic policy among the nations professional economists,a divide similar to the gender divide found in the general public.
"Asa group, we are pro-market," says Ann Marl May, co-author of the study anda University of Nebraska economist. "But women are more likely to acceptgovernment regulation and involvement in economic activity than our malecolleagues. "
"Itsvery puzzling," says free market economist Veronique de Rugy of the Mercatus Center at George Mason University. "Not a .day goes by that Idont ask myself why there are so few women economists on the free market side."
A nativeof France, de Rugy supported government intervention (干预) early in her life butchanged her mind after studying economics. "We want many of the samethings as liberals--less poverty, more health care--but have radicallydifferent ideas on how to achieve it. "
IAberaleconomist Dean Baker, co-founder of the Center for Economic Policy andResearch, says male economists have been on the inside of the profession,confirming each others antiregulation views. Women, as outsiders, "aremore likely to think independently or at least see people outside of theeconomics profession as forming their peer group," he says.
Thegender balance in economics is changing. One-third of economics doctorates (博士学位) now go to women."More diversity is needed at the table when pubflc policy isdiscussed," May says.
Economistsdo agree on some things. Female economists agree with men that Europe has toomuch regulation and that Wal-mart is good for society. Male economists agreewith their, female colleagues that military spending is too high.
Thegenders are most divorced from each other on the question of equality forwomen. Male economists overwhelmingly think the wage gap between men and womenis largely the result of indi~fluals skills, experience and voluntary choices.Female economists overwhelmingly disagree by a margin of 4-to-1.
Thebiggest disagreement: 76% of women say faculty opportunities in economics favormen. Male economists point the opposite way: 80% say women are favored or theprocess is neutral.
What is the finding of the new study？
A.The gender divide is a big concern of the general public.
B.Men and women understand economics quite differently.
C.The gap between male and female economists needs to be closed.
D.Male and female economists disagree widely on economic policy,
Some of Bank of America's old magic seems to have rubbed off on New York's Citibank, perennial rival for top banking honors. Thanks to aggressive growth policies, Citicorp's assets topped Bank of America's for the first time in 1983 and by a healthy margin. Citibank has also been generating profits at a fast clip, enabling it to spend lavishly on campaigns to enter new markets -- notably Bank of America's turf in California.
The bad times Bank of America is currently facing are partly the result of the good times the bank enjoyed earlier. Based in a large and populous state and operating in a regulated environment, Bank of America thrived. Before deregulation, banks could not compete by offering savers a higher return, so they competed with convenience. With a branch at every crossroads, Bank of America was able to attract 40% of the California deposit market -- a source of high earnings when the legal maximum payable to depositors was much lower than the interest on loans.
The progressive deregulation of banking forced Bank of America to fight for its customers by offering them competitive rates. But how could this mammoth bureaucracy, with its expensive overhead, offer rates as attractive as its loaner competitors？ Pruning the establishment was foremost in the minds of Bank of America policymakers. But cutbacks have proceeded slowly. Although the bank is planning to consolidate by offering full services only in key branches, so far only about 40 branches have been closed. Cutbacks through attrition have reduced the work force from 83,000 to fewer than 73,000; wholesale layoffs, it seems, would not fit the tradition of the organization. And they would intensify the morale problems that already threaten the institution.
According to the passage, New York's Citibank ______.
A．is a dark horse in the field of banking
B．has been growing in a moderate way
C．has been making efforts to conquer the markets of Bank of America
D．has more branches than Bank of America now
A. Route based on source MAC hash
B. Route using physical NIC load
C. Route based on the destination virtual port ID
D. Route based on port ID hash
