题目内容
______ as the "covert depression", it has three major symptoms.
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Some Sleep Drugs Do More Than Make You Sleep The United States Food and Drug Administration(美国食品药品管理局) has ordered companies to place strong new warnings on thirteen drugs that treat sleep disorders, It also ordered the makers of the sleeping pills to provide information for patients explaining how to safely use the drugs. Last Wednesday, the FDA announced that some of these drugs can have unexpected and dangerous effects. These include the risk of life-threatening allergic (过敏性的) reactions. They also include rare incidents of strange behavior. These include people cooking food, eating and even driving while asleep. The patients later had no memory of doing these activities while asleep. Last year, a member of the United States Congress said he had a sleep-driving incident. Patrick Kennedy, a representative from Rhode Island, crashed his car into a security barrier near the building where lawmakers meet. The accident happened in the middle of the night and no one was hurt. Mr. Kennedy said he had earlier taken a sleep medicine. He said he was also being treated with a stomach sickness drug that can cause sleepiness. The Food and Drug Administration did not say in its announcement how many cases of sleep-driving it has documented. However, the New York Times reported last year about people who said they had strange sleep events after taking the drug Ambien. Some reported sleep-driving and sleep-walking. Others said they found evidence after waking in the morning that they had cooked food or eaten in their sleep. But they had no memory of carrying out the activities. A Food and Drug Administration official says that these serious side effects of sleep disorder drugs appear to be rare. But, he also said there are probably more cases than are reported. He said the agency believes the risk of such behaviors could be reduced if people take the drugs as directed and do not drink alcohol while taking the drugs. The Food and Drug Administration has advised drug companies to carry out studies to investigate the problem. There are altogether 13 drugs treating sleep disorders in the United States.
[说明] 下面程序定义了一个类Shape及其成员函数，然后从类Shape派生出类Point、类Circle、类Cylinder，以及它们的成员函数。 [Java程序] (1) Shape public abstract void printShapeName(); //纯虚函数。 public double area()return 0.0; public double volumn()return 0.0; class Point extends Shape private double x.y; public Point (double a, double b)x=a; y=b; public void setPoint (double a,double b)x=a;y=b; final public double getX() return x; final public double getY()return y; public void printShapeName() (2) ; class Circle extends Point private double radius; public Circle(double r, double a, double b) (3) ; radius=r＞0 r:0; public void setRadius (double r) radius=r＞0 r:0; public double getRadius () return radius; public double area()return 3.14259 * radius * radius; public void printshapeName () System.out.print ("circle: ") ; ; ; class Cylinder (4) private double height; public Cylinder(double h, double r, double x, double y) super (r, x, y) ; height = h＞0 h:0; public void setHeight (double h) height = h＞0 h:0; public double area () //计算表面积 return (5) ; public double volumn () double r=super.getRadius () ; return 3.14159 * r * r * height; public void printShapeName () System. out .print ("cylinder: ") ;
The role of women in Britain has changed a lot in this century, (51) in the last twenty years. The main change has been (52) giving women greater equality with men. Up to the beginning of this century, women seem to have had (53) rights. They could not vote and were kept at home. (54) , as far as we know, most women were happy with this situation. Today, women in Britain certainly (55) more fights than they used to. They were (56) the vote in 1919. In 1970 a law was passed to give them an equal (57) of wealth in the case of divorce, (58) the Equal Pay Act gave them the right of equal pay with men for work of equal value in the same year. Yet (59) these changes, there are still great difference in status between men and women. Many employers seem to (60) the Equal Pay Act, and the average working women is (61) to earn only about half that a man earns for the same job. (62) a survey, at present, only one-third of the country’s workers are (63) women. This small percentage is partly (64) a shortage of nurseries. If there were (65) nurseries, twice as many women might well go out to work.
It is estimated that there were ______ workdays lost each year due to employee depression.
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