防止煤尘达到爆炸浓度的措施有（）。A.冲洗法 B.撒布岩粉 C.粘结法 D.清扫法
题型：多项选择题
问题：
防止煤尘达到爆炸浓度的措施有（）。
A.冲洗法
B.撒布岩粉
C.粘结法
D.清扫法
E.喷雾降尘
题型：多项选择题
Directions: Read the following text and choose the most suitable heading from A-F for each paragraph. There is one extra heading which you do not need.
小题1:
The causes of eating disorders are not clear. There may be genetic or biochemical factors in some cases. There may be psychological problems from early childhood or the present (such as school or family conflicts) that trigger the problem. Often, there is the double pressure to enjoy life through food and yet remain ultra-slim. Society all around us encourages eating and drinking as main ways to enjoy life- To be popular, you are supposed to eat. eat, eat
小题2:
But in real life most people, if they keep consuming like that, just keep pulling on more and more weight They then find themselves in conflict with another dominant pressure in society — to stay slim and trim. Models in ads, even those shown earing fairy foods, are usually physically lit and quite thin. All of these pressures put teens in a terrible situation. The ".solution" that some teens choose is to deny themselves all the time so as to keep temptation away. Bui soon, hunger and food boredom lead to overeating. Over time they develop anorexia or bulirnia.
小题3:
Once an earing disorder has become firmly established, there is no easy cure. Someone who's never suffered anorexia and never known an anorexic might be tempted to think. "It's simple — jusi tell them to eat more!" Unfortunately, it's not thai simple. Even when anorexics have been brought into the hospital and arc receiving physical care, nutritional therapy, and psychiatric care, many don't improve much.
小题4:
Our society's obsession with thinness, together with a constant emphasis on the theme that rich food means pleasure, puts many teens in a difficult situation. Being drawn to overeating on the one hand and self-denial on the other can bring about anorexia or bulimia — or both. Anorexics seem to feel that no matter how much weight they lose, they are still too fat Therefore, it is important for each person in our society to try to maintain a healthy and realistic self-image. Don't compare yourself wiih the models and actors in the media Set your sights more realistically by comparing yourself with family and friends, if anyone.
小题5:
Self-denial is the typical first step toward an caring disorder. Eventually, desires for what you've denied yourself become unbearable, and you react with eiiher a binge or overly fierce self-control. The answer is not of course. 10 eai all the snacks and trcais you fancy. But 10 avoid that first step that leads to overeating, strive for a good and healthy diet Such a diet is based primarily on grain products, fruits, and vegetables, with moderate amounts of meat and dairy products and with small amounts of snacks and desserts. Research demonstrates that mis kind of diet leaves you more alert and energetic.