问题 单项选择题

如图所示,溶组织内阿米巴原虫侵入肝脏最主要的途径是()

A.穿透结肠壁直接入肝

B.经胆道逆行入肝

C.经门静脉入肝

D.经肝静脉入肝

E.经局部淋巴管入肝

答案

参考答案:C

材料分析题

2006年12月26日新华社报道,中 * * * * 胡 * * 在主持中 * * 政治局第三十七次集体学习时强调,全党全社会都必须按照科学发展观的要求,充分认识建设资源节约型、环境友好型社会的重要性和紧迫性,下最大决心、花最大气力抓好节约能源资源工作。胡 * * 指出,能源资源是人类社会生存和发展的重要物质基础,也是我们全面建设小康社会、加快推进社会主义现代化的重要物质基础。坚持节约资源的基本国策,加快建设资源节约型、环境友好型社会,促进经济发展与人口、资源、环境相协调,是贯彻落实科学发展观、走新型工业化道路的必然要求,是实现可持续发展、保障经济安全和国家安全的必然要求。我们必须以对国家和人民高度负责、对子孙后代高度负责的精神,把节约能源资源工作放在更加突出的战略位置,切实做到节约发展、清洁发展、安全发展、可持续发展,坚定不移地走生产发展、生活富裕、生态良好的文明发展道路。

阅读上述材料,结合所学知识,回答下列问题。

(1)在我们生活周围存在哪些浪费能源资源的现象?(试举一例)

______________________________________________________________________________________________________________________________________________________________________________________

(2)你认为国家和社会应采取哪些措施减少能源资源的浪费现象?

______________________________________________________________________________________________________________________________________________________________________________________

(3)请你为建设资源节约型、环境友好型社会设计一条宣传标语。

______________________________________________________________________________________________________________________________________________________________________________________

阅读理解

B

A new study suggests that the more teenagers watch television , the more likely they are to develop depression (抑郁)as young adults. But the extent to which TV may or may not be to blame is a question that the study leaves unanswered.

The researchers used a national long-term survey of adolescent health to investigate the relationship between media use and depression . They based their findings on more than four thousand adolescents who were not depressed when the survey began in 1995.

As part of the survey, the young people were asked how many hours of television or videos they watched daily. They were also asked how often they played computer games and listened to the radio.

Media use totaled an average of five and one-half hours a day. More than two hours of that was spent watching TV.

Seven years later, in 2002, more than seven percent of the young people had signs of depression. Their average age at that time was twenty-one.

Brian Primack at the Universtiy of Pittsburgh Medical School was the leading author of the new study . He said every extra hour of television meant an eight percent increase in the chances of developing signs of depression.

The researchers say they did not find any such relationship with the use of other media such as movies, video games or radio. But the study did find that young men were more likely than young women to develop depression given the same amount of media use.

Doctor Primack says the study did not explore if watching TV causes depression . But one possibility, like sports and socializing. It might also interfere with sleep, he says, and that could have an influence.

The study was just published in the Archives of General Psychiatry. In December, the journal Social Indicators Research published a study of activities that help lead to happy lives. Sociologists from the University of Maryland found that people who describe themselves as happy spend less time watching television than unhappy people. The study found that happy people are more likely to be socially active, to read, to attend religious services and to vote.

60.The average age of the depressed young people should be_______when they began to receive the survey.

A.21           B.15              C.14                D.20

61.According to the passage, which of the following can possibly lead to depression?

A.Swimming                           B.Attending a party

C.Attending religious services             D.Watching TV for a long time.

62.We can learn from the passage_______.

A.the survey lasted a short time

B.over 280 teenagers who received the survey became more or less depressed in 2002

C.men are more likely to become depressed than women

D.the study about the relationship between media use and depression was published in the journal Social Indicators Research

63.What is the best title for the passage?

A.Teens, television, depression

B.Depression—the common problem of teens

C.Problems of watching TV

D.Teens—a group enjoying watching TV