2020版九年级英语全册 Unit 5 Look into Science Lesson 28 The Study of Living Things课件 （新版）冀教版

1、Unit 5Look into Science Lesson 28,. 根据汉语提示写出下列单词或短语 1. 移居; 迁徙v. _ 2. 奇异的; 了不起的; 极好的adj. _ 3. 令人费解的adj. _,migrate,fantastic,puzzling,4. biology为名词, 意为“ _”, _意为 “生物学家”。 5. grand意为“庄严的, 外祖的, 外孙的”, child意为“孩 子”, _ 意为“外孙, 外孙女, 孙子, 孙女”。 6. butter意为“黄油”, fly意为“飞”, _意为“蝴 蝶”。,生物学; 生物,biologist,grandchild,but

2、terfly,7. complete为形容词, 意为“完全的”, 其副词形式为 “_”, 意为“完全地”。 8. 吸引某人的注意_ 9. 鼓励某人做某事_,completely,draw ones attention,encourage sb. to do sth.,. 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。 The butterflies _ _ _ the south are the great-great grandchildren of the butterflies _ _ _ the north.,that,return,to,that,left,

3、for,2. 当他们春天开始向北方飞行时, 雌性蝴蝶产卵。 _ they _ _ _ north in spring, the females _ _.,When,begin,to,travel,lay,eggs,3. 但是在墨西哥, 人们砍伐了蝴蝶赖以休息的树木, 因 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,down,because,for,farming,4. 科学家仍然不理解蝴蝶怎样知道什么时

4、候飞回南 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。 There are many mysteries yet _ _ _ _ those interested in science.,how,when,to,fly,to,be,discovered,by,. Read the text and answer the questions 1. How far does this butterfly in North America travel

5、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1 as many as多达 Step 1难点探 (1)as many as 修饰可数名词, 还是修饰不可数名词? (2)与as many as的相关短语是什么?,Step 2语境悟 *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。(P72)

6、*Take as many as you please. 你要多少就拿多少。,Step 3知识得 as many as 的用法 as many as 意为“多达, 同一样多”, 用来修饰可数名词。,【辨析】as many as与as much as as many as 修饰可数名词, 常用在人或物的具体数量前, 侧重于具体数目, 意思是“和一样多”, “多达”, 表示“数目”上的比较; as much as修饰不可数名词, 常用在“雨量、水量、时间量、重量、钱数、价格”等方面, 表示总量和单位量的大小, 表示程度。,Step 4考点练 ( )Its a harvest season, 500

7、 workers are working on the farm. A. as many asB. as little as C. as much asD. as few as,A,要点2 leave for 动身去 Step 1难点探 (1)leave for后跟的是目的地, 还是出发地? (2)leave的几种用法是什么?,Step 2语境悟 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(女)。(P72) *The boy left here without saying a word. 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。,Step 3知识得 leave的一词多义,Step 4考点练 ( )(2018达州中考)Jack, remember _ off the lights when _your bedroom. OK, I wont forget, Mom. 世纪金榜导学号 A. turning; leaving B. to t