八下英语第七单元SectionA1a

1、 Section A 1a 2d【学习目标】 1、能够掌握本节课出现的重点短语和句子。2. 谈论地理和自然现象，学会对事实和数字的比较，提高听说能力。【重点难点】识记形容词和副词比较级变法的多条规则；使用比较级来描述人的外貌。【课前热身】写出下列单词的比较级和最高级high deep biglong old young 自主互助学习请根据预习写出下列短语1. 最高的山 _2. 最长的河 _3. 八百万平方公里 _4. 1025米深 _5. 的人口 _6. 的高度 _7. 和一样大 _8. 少于的长度 _9. 最古老的国家之一 _【课堂探究】1. long的名词性是_翻译成_，high的名词形式

2、 _ 翻译成_，表达东西的长度可以有两种方法_例如：这条河100米长。1）The _ of the river is 100meters. 2）The river is _.2. One of the most endangered animals in the world _ the giant panda. China _ one of the oldest civilizations in the world. one of +名词复数，谓语动词要用_数。 eg：其中一本书是新的。 3. The population of the world is 6400000000.对人口这个数字划

3、线提问要用特殊疑问词_。_ the population of the world？4. as big as 和一样大 asas 之间的形容词用_级。The Yellow river is not as long as the Yangtze river.否定形式not asas 意为_。 5. Can you tell me a bit more about China?我们学过的可以修饰比较级的副词和短语还有 _注意比较级和最高级Which is the second longest river in China?Which river is longer, the Nile or the

4、 Yellow River?最高级一般用于_者以上相比，最高级前一般要加定冠词_，比较级一般用于_者之间的比较，被比较者用_引出。【当堂检测】（一）根据句意和首字母补全单词。1. The l _river in Asia is the Yangtze River.2. China is one of the oldest c _ in the world.3. One of the o_ countries in the world is China. 4. M _ of city lies three meters below sea level.5. Our playground is a

5、bout 2000 s _ meters in size.(二) 单项选择。1. Its _ in the world.A. the biggest desert B. biggest desert C. the biggest deserts D. bigger desert 2. There are no man-made structures as _ the Great Wall. A. bigger B. big C. bigger D. the biggest 3. The Nile is 6,470 _.A. kilometers B. kilometer C. kilometers long D. kilometer long 4. Mount Tai is _ lower than Qomolangma.A. lots of B. many C. very D. much 5. Shanghai is one of _ in the world