问题
选择题
世界上的火山，地震集中分布在：（ ）
A．陆地边缘
B．海洋中
C．陆地内部
D．板块交界地带
答案
答案：D
题目分析：世界上火山地震多发生在板块与板块交界处，地壳比较活跃，在板块内部地壳较为稳定。
点评：本题还可以考查两大火山地震带、日本多火山地震、红海扩大、地中海缩小、太平洋缩小、喜马拉雅山增高的原因。
搜题请搜索小程序“爱下问搜题”
世界上的火山，地震集中分布在：（ ）
A．陆地边缘
B．海洋中
C．陆地内部
D．板块交界地带
答案：D
题目分析：世界上火山地震多发生在板块与板块交界处，地壳比较活跃，在板块内部地壳较为稳定。
点评：本题还可以考查两大火山地震带、日本多火山地震、红海扩大、地中海缩小、太平洋缩小、喜马拉雅山增高的原因。
Hard-working Making People Live Longer 努力工作使人长寿 Scientists find that hard-working people live longer than average men and women. Career women are ___1___ than housewives, Evidence (证据) shows that ___2___ are in poorer health than the job-holders. A study shows ___3___ the unemployment rate increases by 1%, the death rate increases correspondingly (相应地) by 2%. All this ___4___ one point: Work is helpful to health. Why is work good for health? It is because work keeps people busy, __5___ loneliness and solitude (孤独). Researches show that people feel __6___ and lonely when they have nothing to do. Instead, the happiest are those who are ___7___. Many high achievers who love their careers feel that they are happiest when they are working hard. Work serves as ___8___ between man and reality. By work, people ___9___ each other. By collective (集体的) activity, they find friendship and warmth. This is helpful to health. The loss of work __10___ the loss of everything. It affects man spiritually and makes him liable to (易于)___11___. __12___, work gives one a sense of fulfillment (充实感) and a sense of ___13___. Work makes one feel his value and status in society. When ___14___ finishes his writing or a doctor successfully __15___ a patient or a teacher sees his students ___16___, they are happy __17___. From the above we can come to the conclusion ___18___ the more you work, __19___ you will be. Let us work hard, __20___ and live a happy and healthy life.
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