问题 问答题 简答题

疟疾的预防和控制

答案

参考答案:

(一)目标全球消灭疟疾是防治的最终目标,但要经历漫长的历史时期。我国要在短期内达到消除疟疾的目标。

疟疾防治过程大体可为四个阶段。

第一阶段为降低发病率阶段,其目标应是降低发病率和病死率,控制暴发流行,减轻危害程度;

第二阶段为控制流行阶段,其目标应是进一步降低发病率,逐步控制流行,使年发病率降至并稳定在低水平,如1/万以下,防止暴发流行;

第三阶段为消除疟疾阶段,其目标应是阻断疟疾的传播,因可能还有残存病例和输入病例,所以要防止继发感染病例发生,使疟疾不再成为当地严重的公共卫生问题;

第四阶段为巩固阶段,其目标应是巩固消除疟疾的成果。

(二)防治策略在政府统一领导下,把疟疾防治工作纳入社会经济发展的总体规划,根据不同地区、不同时期的流行病学特点,因时、因地制宜,实行分类指导,依靠科技进步,采取以传染源监测控制、媒介防制、人群防护和环境改造等相结合的综合性防治策略措施,动员社会各方面的力量,全面落实各项措施,通过不懈防治,逐步降低发病率,控制流行,达到消除和最终消灭疟疾的目标。

阅读理解

Let children learn to judge their own work. A child learning to talk does not learn by being corrected all the time: if corrected too much, he will stop talking. He notices a thousand times a day the difference between the language he uses and the language those around him use. Bit by bit, he makes the necessary changes to make his language like other people’s. In the same way, children learning to do all the other things: they learn to do without being taught to walk, run, climb, whistle, ride a bicycle, compare their own performances with those of more skilled people, and slowly make the needed changes. But in school we never give a child a chance to find out his mistakes and correct them for himself. We do it all for him. We act as if we thought that he would never notice a mistake unless it was pointed out to him, or correct it unless he was made to. Let him work out, with the help of other children if he wants it, what this word says, what the answer is to that problem, whether this is a good way of saying or doing this or not.

If it is a matter of right answer, as it may be in mathematics or science, give him the answer book. Let him correct his own papers. Why should we teachers waste time on such routine(常规) work? Our job should be to help the child when he tells us that he can’t find the way to get the right answer. Let the children learn what all educated persons must some day learn, how to measure their own understanding, and how to know what they know or do not know.

小题1:According to the passage, the best way for children to learn things is by ________.

A.listening to skilled people’s advice

B.asking older people many questions

C.making mistakes and having them corrected

D.doing what other people do小题2:Which of the following does the writer think teachers should NOT do?

A.Give children correct answers.

B.Allow children to make mistakes.

C.Point out children’s mistakes to them.

D.Let children mark their own work.小题3:According to the writer, teachers in school should ________.

A.allow children to learn from each other

B.point out children’s mistakes whenever found

C.give children more book knowledge

D.correct children’s mistakes as soon as possible小题4:The passage suggests that learning to speak and learning to ride a bicycle are ________.

A.different from learning other skills

B.the same as learning skills

C.more important than other skills

D.not really important skills

单项选择题