The Study of Living Things 冀教版　九年级 Lesson 28 The Study of Living Things

Think about it 1.Would you like to be a biologist when you grow up? Why or why not? 2.What mysteries of nature do you know about?

New words: biology n. 生物 butterfly n. 蝴蝶 migrating adj. 迁徙的 fantastic adj. completely adv. grandchildren n. female n. milkweed n. chemical n. puzzling adj. 生物 蝴蝶 迁徙的 奇异的 完全地 外孙（女） 雌性 马利筋（一种植物） 化学物质 令人费解的

探究课文 找短语 1.引起某人的注意 2.回到、返回 3.多达 4.下蛋 5.在大学里 draw one’s attention 探究课文 找短语 1.引起某人的注意 2.回到、返回 3.多达 4.下蛋 5.在大学里 6.小片的森林 7.动身去某地 draw one’s attention return to… as many as lay eggs at a university small piece of forest leave for

中考题型 课堂练 1. In the United States and Mexico, farmers use chemcals that kill milkweed. ( ) 2. Do the females lay eggs on only one plant? ________________________________. 3. What does Dr. Chip Taylor study? _______________________________________________. 4. Here, as many as ___________ butterflies spend the winter. 5.In Mexico, the butterflies always return to the same small piece of forest,which is only 20 kilometers wide . ___________________________________________ F Yes, they do He studies one kind of North American butterfly 230 million 在墨西哥，这种蝴蝶总是回到仅有20千米宽的同一小片森林。

Language Points: 1. 有关attention的短语 2. as…as 的用法 3. lie 与 lay的用法

attention draw one’s attention to sth. (使某人注意某事). 2. catch one’s attention (引起某人注意) 3. pay attention to sth. (注意、留心) 4. give one’s attention to sth. (关心)

as…as… 1. He is ___________ his father.(像……一样高) 2. I do my homework ___________ my sister does.(像……一样认真) 3. They see ___________ one hundred students in front of the library.(像……一样多) as tall as as carefully as as many as

lie 与 lay lay (下蛋) --- laid --- laid --- laying lie (说谎) --- lied --- lied --- lying lie (平躺) --- lay --- lain --- lying The hens _____ (lay) eggs every day. Have you ever ______ (lie) to your parents? lay lied

巩固练习 查一查 Fill in each blank with the proper word from the brackets: 巩固练习 查一查 Fill in each blank with the proper word from the brackets: 1. This is the __________(identify) hotel that we stayed in last year. 2. Your brothers are people _________(relate) to you. 3. Do you know who is the _________(own) of the house? 4. Your body uses this pattern _________ (build) itself. 5. You have your own DNA, but it repeats the patterns from your __________(parent) DNA. 6. Some health problems come from your family’s DNA. _________(science) can look for these problems in your DNA. identical related owner to build parents’ Scientists

课后作业 写一写 Homework: 1.To grasp the contents of this lesson. 课后作业 写一写 Homework: 1.To grasp the contents of this lesson. 2.Preview Lesson 29.