What impact can mobile phones have on their users’ health Many people worry about the supposed ill effects caused by radiation from handsets and base stations, (1) the lack of credible evidence of any harm. But evidence for the beneficial effects of mobile phones on health is rather more (2) Indeed, a systematic review (3) out by Rifat Atun and his colleagues at Imperial College, rounds up 150 (4) of the use of text-messaging in the (5) of health care. These uses (6) three categories: efficiency gains; public-health gains; and direct benefits to patients by (7) text-messaging into treatment regimes.Using texting to (8) efficiency is not profound science, but big savings can be achieved. Several (9) carried out in England have found that the use of text-messaging reminders (10) the number of missed appointments with family doctors by 26-39%, and the number of missed hospital appointments by 33-50%. If such schemes were (11) nationally, this would translate (12) annual savings of £256-364 million.Text messages can also be a good way to deliver public-health information, particularly to groups (13) are hard to reach by other means. Text messages have been used in India to (14) people about the World Health Organization’s strategy to control lung disease. In Iraq, text messages were used to support a (15) to immunize nearly 5 million children (16) paralysis.(17) , there are the uses of text-messaging as part of a treatment regime. These involve sending reminders to patients to (18) their medicine, or to encourage accordance with exercise regimes. However, Dr. Rifat notes that the evidence for the effectiveness of such schemes is generally (19) , and more quantitative research is (20) 1()
A. so
B. even
C. despite
D. and
根据《安全生产法》以及《安全生产许可证条例》、《烟花爆竹安全管理条例》的规定,危险品厂房安全窗应当向外平开,宽度、高度、窗台高度分别为( ),不得设置中挺,利于快速开启。
A. 不小于1 m;不小于1.5 m;窗台高度不高于地面0.5 m
B. 不小于2 m;不小于2.5 m;窗台高度不高于地面1.0 m
C. 不小于3 m;不小于1.0 m;窗台高度不高于地面0.5 m
D. 不小于4 m;不小于2.0 m;窗台高度不高于地面1.0 m
Kevin Hines, a manic-depressive, was 19 and in one of his weekly downswings on an overcast Monday morning in 2000. He went to the nearby Golden Gate Bridge to kill himself mostly because, with only a four-foot (1.2-metre) railing to leap, "I figured it was the easiest way." He dived over, but flipped and hit the water at 75mph with his feet first. His legs were crushed, but he somehow stayed conscious and started paddling with his upper body until the Coast Guard fished him out. Mr. Hines is one of 26 people who have survived suicide attempts at the bridge, but 1 223 are known to have succeeded (i. e., were seen jumping or found floating). People are throwing themselves off the bridge at the rate of two a month, which makes it the most popular place in the world for suicides. One book on the subject says that the Golden Gate is "to suicide what Niagara Falls is to honeymooners". Many San Franciscans think that the solution is to emulate the Empire State Building, the Sydney Harbour Bridge, the Eiffel Tower, St. Peter’s basilica and other such places and put up a simple barrier. This, however, is a decision for the 19 board members of the Golden Gate Bridge, Highway and Transportation District, an entity that oversees the bridge itself and the buses and ferries that operate in the area. Most of its revenues’ come from tolls and fares, and the district loses money. A barrier would cost between $15 million and $ 25 million. So the Psychiatric Foundation of Northern California, which has adopted the barrier as its cause, considers it a success that the board has merely allowed a feasibility study, for which various private and public donors have raised $ 2 million. Mel Blaustein, a director at the foundation, has heard several arguments against a barrier over the years-too ugly, too expensive, and so forth--but the most persistent has been that people would simply kill themselves somewhere else, so why bother.’ This is nonsense, he says, "Most suicides are impulsive and preventable." A bridge without a barrier, adds Pat Hines, Kevin’s father, is "like leaving a loaded gun in the psychiatric ward.\ What is the author’s attitude towards the foundation of barriers over the bridge
A. Optimistic.
B. Critical.
C. Biased.
D. Objective.