更多"Studies have shown that students wh"的相关试题:
[填空题]Studies have shown that students who take several tests learn more than _________________________________(看完资料只参加一次测试的学生).
[单项选择]Studies have shown that people who rarely take antibiotics, which are antibacterial drugs, have stronger immune systems than do people who take antibiotics frequently. Yet there is no evidence that taking antibiotics weakens the immune system.
Which of the following, if true, best reconciles the apparent discrepancy in the information above ？（）
A. People who have strong immune systems seldom get the kinds of infections for which people normally take antibiotics.
B. People who have strong immune systems are seldom aware that their immune systems are unusually strong.
C. People who have weak immune systems have great difficulty recovering from bacterial infections if they do not take antibiotics.
D. Some people take antibiotics even though the antibiotics cause a variety of side effects.
E. Some people take antibiotics frequently because their doctors prescribe antibiotics for viral infections as well as for bacterial infections.
[单项选择]The nurse is caring for several clients who have eating disorders. Based on appearance, how would the nurse distinguish bulimic clients from anorectic clients
A. By their teeth.
B. By body size and weight.
C. By looking for Mallory-Weiss tears.
D. The clients are indistinguishable upon physical examination.
[单项选择]Several complaints have been received from customers who have been sent the correcl orders with the wrong invoices and wrong orders with the correct invoices．
A. 从客户中已经收到一些投诉，他们被送到具有错误发票的正确订货和具有正确发票的错误订货。
B. 我们已收到那些正确订货和错误发票或错误订货和正确发票的客户的投诉。
C. 我们收到了不少客户的投诉说，有的人收到的订货是对的，但发票开错，有的订货有误，但发票没错。
D. 我们收到不少客户的投诉，他们中有的人收到了正确的订货和错误的发票，另一些人收到了错误的订货和正确的发票。
[填空题]Several studies have established that wind energy produces more Jobs per dollar invested or per kilowatt-hour generated than______.
[单项选择]1 Several men have been responsible for promoting forestry as a profession. Foremost was Gifford Pinchot, the father of professional forestry in America. He was chief of the Forest Service from 1898 until 1910, working with President Theodore Roosevelt to instigate sound conservation practices in forests. Later he was professor of forestry and founder of the Pinchot School of Forestry at Yale University. Another great forester was Dr. Bernard E. Fernow, the first head of the U.S. Forest Service. He organized the first American school of professional forestry at Cornell University.
2 The foresters of today, like Pinchot and Fernow in the past, plan and supervise the growth, protection, and utilization of trees. They make maps of forest areas, estimate the amount of standing timber and future growth, and manage timber sales. They also protect the trees from fire, harmful insects, and disease. Some foresters may be responsible for other duties, ranging from wi
A. To emphasize his contributions to the field
B. To describe his family background
C. To praise his management skills
D. To illustrate his influence on the president
[单项选择] Several men have been responsible for promoting forestry as a profession. Foremost was Gifford Pinchot, the father of the professional forestry in America. He was chief of the Forest Service from 1898 until 1910, working with President Theodore Roosevelt to instigate sound conservation practices in forests. Later he was professor of forestry and founder of the Pinchot School of Forestry at Yale University. Another great forester was Dr. Bernard E. Fernow, the first head of the U.S. Forest Service. He organized the first American school of professional forestry at Cornell University.
The foresters of today, like Pinchot and Fernow in the past, plan and supervise the growth, protection, and utilization of trees. They make maps of forest areas, estimate the amount of standing timber and future growth, and manage timber sales. They also protect the trees from fire, harmful insects, and disease. Some foresters may be responsible for other duties, ranging from wildlife protection and wat
A. To describe different philosophies of forestry management
B. To show how the field of forestry has changed in 100 years
C. To argue for the expansion of university forestry programs
D. To introduce the type of work done by professional foresters
[填空题]During the past few years, several bridges have been built and ______ (与该国内地的联系) have been facilitated.
[单项选择]______several hypotheses have been advanced for the disappearance of the dinosaur; no conclusive evidence supports any of them.
A. Despite
B. In spite of
C. Although
D. In spite of the fact
[单项选择]Researchers at the University of Toronto have taken important steps toward producing a profile of an abusive parent. Prof. Gary Walters and doctoral student Lynn Oldershaw of the Department of Psychology have developed a system to characterize parents who physically abuse their children. This could ultimately allow social service professionals to identify parents in child abuse. Over the last five years, Walters and Oldershaw, in collaboration with Darlene Hall of the West End Creche, have examined over 100 mothers and their three-to-six-year-old children who have been physically abused. In the laboratory, the mother and child spend 30 minutes in structured activities such as playing, eating and cleaning-up. The family interaction is videotaped and later analyzed.
The researchers have developed a system, which allows them to record the effectiveness of parenting skills. They are particularly interested in disciplinary strategies because abuse most commonly occurs when the parent
A. Therapy tailored for the individual needs of the abusive parents.
B. Interaction between mother and child.
C. The mother’s parenting skills.
D. Parents’ disciplinary strategies.
[填空题]
What have people who listened to the radio regularly ever experienced
[填空题]What did several countries take part in in 1864
[单项选择]Several recent studies have gained wide attention for reconfirming the tragic disconnection of millions of black youths from the American mainstream. Harry Holzer, an economist at Georgetown University and a co-author of one of the recent studies, feels joblessness is due to largely weak schooling, a lack of reading and math skills at a time when such skills are increasingly required even for blue-collar jobs. Unable to find jobs, he claims, black males turn to illegal activities, especially the drug trade and chronic drug use, and often end up in prison.
As usual, it fails to answer the important questions. Why are young black men doing so poorly in school that they lack basic literacy and math skills Scholars must have known that countless studies by educational experts have found that poor schools, per se(本质上), do not explain why after 10 years of education a young man remains illiterate.
Nor have studies explained why, if .someone cannot get a job, he turns to crime
A. They have created a culture of their own.
B. They are prevented by their self-respect.
C. They are totally involved in the culture they have created.
D. They are indifferent to the socioeconomic mainstream.
