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第4课

2021-6-11 15:49| 发布者: admin| 查看: 105| 评论: 0

摘要: .

4 Who do I look like我像谁

Prepare a family photo and a mirror. Collect the leaves and fruits of the same plant.准备一张全家福照片、一面镜子。

搜集同一株植物的落叶和果实。

Find out the similarities and differences between your own physical characteristics and your family.找一找自己的身体特征与家人的异同点。

My face looks like my father.我的脸型像爸爸。

My eyes are not like my mother.我的眼睛不像妈妈。

Research records研究记录

the similar characteristics of my father我与爸爸相似的特征

the similar characteristics of my mother. 我与妈妈相似的特征

Is there such a phenomenon in animals and plants?动植物中有没有这样的现象呢?

My dog's coat color is the same as its mother's.我家小狗的毛色和它妈妈的一样。

The fruit of the same tree is not the same.同一棵树上结的果实也不相同。

I also know that...我还知道……

The phenomenon that organisms pass on their own morphological or physiological characteristics to their offspring is called heredity.生物将自身的形态特征或生理特性传给后代的现象叫做遗传。

The differences in morphological or physiological characteristics between parents and offspring and between individuals of offspring are called variation.生物的亲代与子代之间以及子代的个体之间在形态特征或生理特性上的差异叫做变异。

Heredity and variation are common phenomena in biology.遗传和变异是生物界普遍存在的现象。

Compare the same and different.比较相同和不同。

Further collate and improve their own "life Handbook".进一步整理并完善自己的《生命手册》。

Unit evaluation单元评价

my favorite activities in this unit 1本单元我最喜欢的活动

1 making cell model 制作细胞模型

2 experiencing the hardship of mother's pregnancy体验妈妈怀孕的辛苦

my performance in this unit本单元我的表现

1 being able to choose an appropriate way to make observation records能选择合适的方式做观察记录

2 putting forward bold conjectures and hypotheses on research problems对研究的问题提出大胆的猜想和假设

3 collecting and sorting information搜集和整理信息

4 solving problems cooperatively 5 合作解决问题