2020版九年级英语全册Unit5LookintoScienceLesson28TheStudyofLivingThings课件新版冀教版

Unit 5Look into ScienceLesson 28 . 根据汉语提示写出下列单词或短语根据汉语提示写出下列单词或短语1. 移居移居; 迁徙迁徙v. _2. 奇异的奇异的; 了不起的了不起的; 极好的极好的adj. _3. 令人费解的令人费解的adj. _migratefantasticpuzzling4. biology为名词为名词, 意为意为“ _”, _意为意为“生物学家生物学家”。 5. grand意为意为“庄严的庄严的, 外祖的外祖的, 外孙的外孙的”, child意为意为“孩孩子子”, _ 意为意为“外孙外孙, 外孙女外孙女, 孙子孙子, 孙女孙女”。6. butter意为意为“黄油黄油”, fly意为意为“飞飞”, _意为意为“蝴蝴蝶蝶”。生物学生物学; 生物生物biologistgrandchildbutterfly7. complete为形容词为形容词, 意为意为“完全的完全的”, 其副词形式为其副词形式为“_”, 意为意为“完全地完全地”。8. 吸引某人的注意吸引某人的注意_ 9. 鼓励某人做某事鼓励某人做某事_ completelydraw ones attentionencourage sb. to do sth. 根据汉语提示完成下列句子根据汉语提示完成下列句子1. 这些飞回南方的蝴蝶是飞往北方的曾曾子孙。这些飞回南方的蝴蝶是飞往北方的曾曾子孙。The butterflies _ _ _ the south are the great-great grandchildren of the butterflies _ _ _ the north. that return tothat leftfor2. 当他们春天开始向北方飞行时当他们春天开始向北方飞行时, 雌性蝴蝶产卵。雌性蝴蝶产卵。 _ they _ _ _ north in spring, the females _ _. Whenbegin to travellay eggs3. 但是在墨西哥但是在墨西哥, 人们砍伐了蝴蝶赖以休息的树木人们砍伐了蝴蝶赖以休息的树木, 因因为它们需要更多的土地来耕种。为它们需要更多的土地来耕种。But in Mexico, people _ _ the trees that the butterflies need to rest on _ they want more land _ _. cut downbecausefor farming4. 科学家仍然不理解蝴蝶怎样知道什么时候飞回南科学家仍然不理解蝴蝶怎样知道什么时候飞回南方。方。Scientists still dont understand _ the butterflies know _ _ _ south. 5. 有许多奥秘还需那些对科学感兴趣的人来发现。有许多奥秘还需那些对科学感兴趣的人来发现。There are many mysteries yet _ _ _ _ those interested in science. howwhen to flyto be discovered by. Read the text and answer the questions1. How far does this butterfly in North America travel south in fall? _2. Where do the butterflies in Mexico lay eggs? _About 4 000 kilometers. They lay eggs on only one plant. 要点要点1 as many as多达多达 Step 1难点难点探探(1)as many as 修饰可数名词修饰可数名词, 还是修饰不可数名词还是修饰不可数名词? (2)与与as many as的相关短语是什么的相关短语是什么? Step 2语境语境悟悟 *Here, as many as 230 million butterflies spend the winter. 多达两亿三千万只蝴蝶在这里过冬。多达两亿三千万只蝴蝶在这里过冬。(P72)*Take as many as you please. 你要多少就拿多少。你要多少就拿多少。Step 3知识知识得得 as many as 的用法的用法as many as 意为意为“多达多达, 同同一样多一样多”, 用来修饰可用来修饰可数名词。数名词。【辨析辨析】as many as与与as much asas many as 修饰可数名词修饰可数名词, 常用在人或物的具体数量前常用在人或物的具体数量前, 侧重于具体数目侧重于具体数目, 意思是意思是“和和一样多一样多”, “多多达达”, 表示表示“数目数目”上的比较上的比较; as much as修饰不可修饰不可数名词数名词, 常用在常用在“雨量、水量、时间量、重量、钱数、雨量、水量、时间量、重量、钱数、价格价格”等方面等方面, 表示总量和单位量的大小表示总量和单位量的大小, 表示程度。表示程度。Step 4考点考点练练( )Its a harvest season, 500 workers are working on the farm. A. as many asB. as little asC. as much asD. as few asA要点要点2 leave for 动身去动身去 Step 1难点难点探探 (1)leave for后跟的是目的地后跟的是目的地, 还是出发地还是出发地? (2)leave的几种用法是什么的几种用法是什么? Step 2语境语境悟悟 The butterflies that return to the south are the great-great grandchildren of the butterflies that left for the north. 返回南方的蝴蝶是前往北方的蝴蝶的曾曾孙子返回南方的蝴蝶是前往北方的蝴蝶的曾曾孙子(女女)。(P72)*The boy left here without saying a word. 小男孩没说话就离开了。小男孩没说话就离开了。*Dont leave the baby alone at home. 不要单独把孩子留在家里。不要单独把孩子留在家里。Step 3知识知识得得 leave的一词多义的一词多义含义含义用法用法离开离开leave A离开离开A地地; leave for A动身去动身去A地地; leave A for B离开离开A地去地去B地地遗留遗留, 遗忘遗忘leave sth. at/in. . . 把某物遗忘在把某物遗忘在使保持使保持某状态某状态leave+宾语宾语+宾语补足语宾语补足语; leave. . . alone不理会不理会, 不管不管Step 4考点考点练练( )(2018达州中考达州中考)Jack, remember _off the lights when _your bedroom. OK, I wont forget, Mom. 世纪金榜导学号世纪金榜导学号A. turning; leavingB. to turn; leaveC. turning; leftD. to turn; leavingDXu Lei and her teammates are _(将要动将要动身去身去) the U. S. A. next week. leaving for