第二十八课学生版
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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.
有许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.我们应当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:____。