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【单选题】
Flirt With Suicide The life of David Woods was the stuff of an Australian boy's dream. He played professional rugby league football in a country that treats athletes as, idols. At 29, he had a loving family, a girlfriend, a 3-month-old baby, plenty of money, everything to live for. And for inexplicable reasons, nothing to live for. On New Year's Eve, Woods called his mother to announce that he had signed a new contract with his team, Golden Coast, recalls his elder brother, Tony. The next morning, he ran a hose from the exhaust pipe to the window of his Mitsubishi sedan (轿车) and gasses himself. His family still has no idea why. The death of David Woods came as a wake-up call to Australia, which is often voted as the ideal place to bring up kids. But the sun, the beaches and the sporting culture are the cheery backdrop to a disturbing trend: young Australian men are now killing themselves at the rate of one a day--triple the rate of 30 years ago. Though most Australians aren't particularly suicidal, their boys are. In 1990 suicide surpassed car accidents as the leading cause of death among males aged 15 to 24. Fun-loving Australia is now far worse off than Asian nations known for strict discipline. The yearly suicide rate for young Australian males is 2.5 times higher than in Japan, Hong Kong, or Singapore. Possible Causes for Suicide Why boys? A nation of wide-open spaces and rugged individualism, Australia still idolizes the film star Gary Cooper model of masculinity: the strong, silent type who never complains, who always gets the job done. In recent years schools and social institutions have concentrated on creating new opportunities for equality for girls--while leaving troubled boys with the classic command of the Australian father: pull yourself together. It's past time to take a much closer look at the lives of young men, some researchers argue. 'People think, 'My kids aren't doing drugs, my kids are safe at home',' says psychiatrist John Tiller of Melbourne University, who studied 148 suicides and 206 attempts in the state of Victoria. 'They are wrong.' The Haywards, a comfortably well-off family in Wyong, north of Sydney, figured they were dealing with the normal problems of troubled teenhood. Their son Mark had put up a poster of rock star Kurt Cobain, a 1994 suicide victim, along with a Cobain quote: 'I hate myself and I want to die.' 'From the age of 12, Mark had his ups and downs--mood swings, depression and low self-esteem,' says his father. The Haywards sent Mark to various counselors, none of whom warned that he had suicidal tendencies. By last year Mark was 19, fighting bouts (回合) of unemployment and a drug problem. He tried church, struggling to do the right thing. Last September he dropped out a detoxification (戒毒) program, and apologized to his parents. 'I've let you down again.' A few days later, his mother found Mark's body in bush-land near their home. In retrospect, Mark Hayward's struggles were far from uncommon. The number of suicides tends to keep pace with the unemployment rate, which for Australians between 15 and 19 has risen from 19 percent in 1978, the first year data were collected, to 28 percent last year. Suicide is especially high among the most marginal: young Aboriginal (土著的) men, isolated by poverty, alcoholism and racism. As in other developed countries, Australian families have grown less cohesive in recent years, putting young men out into the world at an earlier age. Those who kill themselves often think 'it'll make it easier for the parents by not being there'. The deeper mystery is why the universal anguish of growing up should have such particularly devastating effects in Australia. One answer is that the country allows easier access to guns than most other developed Asian countries. (One exception is neighboring New Zealand, where guns are as easy to find, and the suicide rate among y
A.
Y
B.
N
C.
NG
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【判断题】一级负荷必须由两个独立的电源供电,二级负荷应尽量由双回路供电。
A.
正确
B.
错误
【单选题】在体积固定的密闭容器中通入各为1mol的A、C、D和x mol B,发生反应:A(g)+4B(g) 2C(g)+D(g)。当x在一定范围内变化时,均可以通过调节反应器的温度,使反应达到平衡时保持容器中气体总物质的量为5mol。若使起始反应向正反应方向进行,则x的取值范围下列适合的是(   )
A.
1<x<2          
B.
2<x<4           
C.
1<x<5           
D.
2<x<5
【简答题】当x和y的取值范围均为-2到2时,用建立子窗口的方法在同一个图形窗口中绘制出三维线图、网线图、表面图和带渲染效果的表面图。
【单选题】以下哪一个单词包含音标[ʌ]
A.
cup
B.
bad
C.
bed
D.
deep
【单选题】置信区间的定义是
A.
总体平均值出现在一定范围内的可能性的大小
B.
自变量的取值范围
C.
仪器测量的最小分值
D.
指示剂的变色区间
【多选题】一般抗疲劳渐变焦镜片的通道要()。
A.
B.
C.
D.
【单选题】置信区间的定义是
A.
测量值出现在一定范围内的可能性的大小,通常用%来表示
B.
自变量的取值范围
C.
仪器测量的最小分数值
D.
滴定分析中指示剂的变色区间
【判断题】二级负荷应由 两 个电源供电。
A.
正确
B.
错误
【简答题】,当 和 的取值范围均为 -2 到 2 时,用建立子窗口的方法在同一个图形窗口中绘制出三维线图、网格图、表面图和带等值线的表面图。
【简答题】甲公司现准备向乙公司提出收购意向(并购后甲公司依然保持法人地位),乙公司的产品及市场范围可以弥补甲公司相关方面的不足。2009年12月31日B公司资产负债表主要数据如下:资产总额为5200万元,债务总额为1300万元。当年净利润为480万元,前三年平均净利润为440万元。与乙公司具有相同经营范围和风险特征的上市公司平均市盈率为11。甲公司收购乙公司的理由是可以取得一定程度的协同效应,并相信能使乙公...
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