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轶事记录法是观察者在一段时间内详细、完整地记录被试在自然状态下所发生的行为表现,然后对所收集的原始资料进行分类并加以分析的方法。
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学前儿童语言教育
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佳题速递:
具有如下化学结构的药物的名称为A、米托蒽醌B、羟基喜树碱C、长春瑞滨D、甲氨喋呤
药物化学
3、The dark smoke that comes out of stacks (大烟囱) or from a burning dump (垃圾) contains tiny bits of solid or liquid matter. The smoke also contains many gases, most of which cannot be seen. Altogether, they make up the serious problems of air pollution. In so many places it keeps us from seeing the sun, irritate (刺痛) our eyes, causes us to cough and makes us ill. Air pollution can spread from city to city. It even spreads from one country to another. Some northern European countries have had "black snow" from pollutants that have traveled through the air from other countries and have fallen with the snow. So air pollution is a global problem. It can kill babies, older people and those who have respiratory (呼吸) disease. In 1952, four thousands people die in one week as a result of a serious air pollution breakout in London. In 1948 in a small town of Pennsylvania, 20 people died in a four - day period of air pollution. As often found in cities, air pollution increases the risks of lung disease, such as bronchitis and asthma. Of course, smoking and other factors help to cause these illnesses, too, but these causes have increased greatly during recent years as air pollution has become worse.
统考英语阅读理解
58、- How is he getting along with his work? - Oh, he is on the _ _ _ _ _ _ to becoming the most highly paid man in the company. A.way B.road C.path D.route
统考英语词汇与语法
我们党提出构建社会主义和谐社会,是对( ) A、 人类社会发展规律认识的深化 B、 社会主义建设规律认识的深化 C、 中国革命规律认识的深化 D、 共产党执政规律认识的深化
中国特色社会主义理论
“众人拾柴火焰高”说明了( )的力量(A) 竞争 (B) 合作 (C) 独立 (D) 个性
思想道德修养与法律基础
《创业史》中蛤蟆滩的三大能人是指 A、 梁生宝、梁三老汉、郭振山 B、 梁生宝、郭世富、郭振山 C、 郭世富、姚士杰、郭振山 D、 高增福、郭振山、梁生宝
中国当代文学
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