《DNA》学案1
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约2490字。
Unit 2 DNA学案
一. 教学内容:
Unit 2 DNA Lesson 9—Lesson 12
1. 重点单词。
n. mule donkey blueprint
twin clone egg
insect
v. combine identify clone
divide design damage
adj. juicy helpful identical
original adult
adv. exactly
2. 重点短语。
human being 人类
except for 除……之外
not only…but also… 不但……而且……
at the same time 同时
What if…? 如果……将会怎么样?
for example 例如
3. 交际用语。
Ability and Inability.
He can ride a bike.
Brian is good at football.
Scientist can take DNA from one kind of animal.
They can’t combine their DNA.
How far can you jump?
Can I take a plane to the bakery?
二. 重点、难点解析及词语辨析。
1. I would combine a donut and a pizza.
我想组合一个面包圈和一张比萨饼。 (L9)
combine v. (使)联合,(使)结合
①We should combine theory with practice in our study.
在学习中,我们应该把理论和实践相结合。
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