英语九年级上册Lesson 28 The Study of Living Things教学设计及反思

这是一份英语九年级上册Lesson 28 The Study of Living Things教学设计及反思，共3页。

Master the new wrds:
Chip Taylr, bilgy, butterfly, migrate, fantastic, cmpletely, grandchild, female, milkweed, chemical, puzzling
II. Learning imprtant and difficult pints:
1) Fantastic facts abut the butterfly have been drawing Dr. Taylr’s attentin.
2) Here, as many as 230 millin butterflies spend the winter.
3) But in Mexic, peple cut dwn the trees that the butterflies need t rest n because they want mre land fr farming.
4) This is bth puzzling and interesting fr many scientists.
Language Pints:
1. fantastic
【用法】作形容词，意为“奇异的、极好的、了不起的”，在句中作定语或表语。
【举例】 = 1 \* GB3 ①I think this is a fantastic inventin. 我想这是一个了不起的发明。 = 2 \* GB3 ②These flwers are s fantastic. They have many different clurs. 这种花太奇异了。它们有很多不同的颜色。
2. chemical
【用法】作可数名词，意为“化学物质、化学制品”，复数形式是chemicals。
【举例】There are n chemicals in this kind f fd. 这种食品中没有化学物质。
【用法】作形容词，意为“化学的、化学作用的”，在句中作表语或定语。
【举例】We can find chemical additives in many fds. 我们在很多食品中发现了化学添加剂。
3. Fantastic facts abut the butterfly have been drawing Dr. Taylr’s attentin. 这些有关蝴蝶的奇异的事实引起了泰勒先生的注意。
【用法】句中的have been drawing 是现在完成进行时，它由“助动词 have (has) + been + 现在分词”构成，当主语是第三人称单数时用助动词has，其他情况用助动词have。现在完成进行时主要表示从过去开始一直持续到现在的动作，这个动作是否延续下去，要根据上下文而定。
它往往与表示一段时间的时间状语连用，如：all the time, this mnth, all day, these few days, fr a year, since a week ag等。
【举例】 = 1 \* GB3 ①She has been playing basketball after schl this week. 这个星期她放学后一直打篮球。 = 2 \* GB3 ②Tny has been drawing in his bedrm all the afternn. 托尼在卧室画了一下午。
4. This is bth puzzling and interesting fr many scientists. 对很多科学家来说这既令人费解又很有趣。
【用法】连词bth…and…的意思是“……和……都，既……也……”，它可以连接句中句子成分相同的词语，如果用它连接主语时，谓语动词要用复数形式。
【举例】 = 1 \* GB3 ①She likes bth sprts and music. 她既喜欢运动，又喜欢音乐。 = 2 \* GB3 ②Bth Li Ping and her mther take exercise every mrning. 李萍和她妈妈每天早晨都进行锻炼。