Unit5:Look into Science Lesson 28:The Study of Living
Things
学习目标:
单词短语:biology n. butterfly n. migrate v. fantastic n.
completely adv.grandchild n. female n. milkweed n. chemical n. puzzling adj.
自主预习,认真准备:
一.写出下列短语的意思:
1.grow up ______________ 2.吸引某人的注意_______________________
3.a s…as…______________
4.一片树林________________________
5,前往__________________ 6.砍倒______________________
7.rest on_______________________ 8.be yet to do ______________________
9.be interested in ________________ 10,产卵_________________________
二.重点语句
1.Here, ________ ________ ________230 million butterflies spend the winter.
这儿,有23000万只蝴蝶过冬。
(考察点:辨析a s…a s…和not a s/s o…as)
2.The butterflies that return to the south are
the great- great grandchildren of the
butterflies_______ left for the north.返回南方
的这些蝴蝶是前往北方的蝴蝶的曾曾孙。
(考察点:以that引导的定语从句的用法)
3.There are many mysteries yet to be
discovered by those _____ _____ science.
有很多的秘密还没有被那些对科学感兴
趣的人发现。
(考察点:辨析interested和
interesting)
合作探究,学习新知:
探究一辨析a s…a s…和not a s/s o…as
例句:Here, as many as 230 million
butterflies spend the winter.(翻译)
【探究点睛】
1.a s…a s…意为“____________”,
常用在“be+ as+ adj.(原级)
+ as ”的固定形式中。
2.not a s/s o…as意为
“____________”或“____________”,
常用在“be+ as+ adj.(原级)+ as ”
的固定形式中。
Eg. The apple is_____
_____ _____ _____ that one.这个苹果
不如那个苹果大。
【小试身手】
1.玛丽和罗斯一样高。
Mary is_____ _____ _____Rose.
2.The book is_____expensive_____
that one.
A. too; as
B. as; than
C. not so;
as D. so; than
探究二以that引导的定语从句的用法
例句:The butterflies that return to the
south are the great- great grandchildren of
the butterflies that left for the north.(翻
译)
【探究点睛】
1.that left for the north 是定语从句,修
饰前面的the butterflies。
the butterflies
是______,关系代词that在从句中作
______。
2.定语从句必须放在先行词的后面且
不用逗号隔开。
在限制性定语从句
中,通常先行词指物时,后面的定语
从句一般由that来引导。
【小试身手】
1.我们理应做的第一件事是订个计划。
The first thing_____ we should do is
to work out a plan.
2. Is there anything _____I can do for
you?
A. that
B. where
C. when
D. who
探究三辨析interested和interesting
3. There are many mysteries yet to be
discovered by those interested in science.(翻
译)
【探究点睛】
1.interested作形容词时,意为
“__________________”,主要用于修
饰人。
2.interesting作形容词时,意为
“__________________”,主要用于修
饰物。
3.例如:Please tell us an _____fairy tale.
请给我们讲一个有趣的童话故事。
【小试身手】
1.多有趣的一本故事书啊!
_____ _____ _____ story book it is!
2. The teacher is interested_____ his work.
A in B. of C. with D.
for
当堂练习,检测固学
一.词组精炼
1. 一张纸______ ______ ______paper
2.度暑假______ ______ ______holiday
3.返回南方______ ______ ____________
4.吸引学生们的注意______ the ______ ______
5.前往苏州______ ______Suzhou
6. 对音乐感兴趣______ ______ ______music
7.鼓励学生说英语encourage
students______ ______ ______
8.产更多的卵lay ______ ______
二.用括号中所给词的适当形式填空
1. This butterfly is just like a
______(migrate)bird , it travel about 4,000
kilometers south in the fall.
2. Look! The butterfly ______(lay)eggs on
the plant.
3. We all love to listen to the______(sing)of
the birds.
4. Look! The old man is______(lie)on the
bed.
5. Water is______(freeze)outside in a cold
winter.
批阅等次:时间:次数:____。