九年级英语上Unit5LookintoScienceLesson28TheStudyofLivingThings教案

九年级英语上
Unit5LookintoScienceLesson28TheStudyofLivingThings教案Unit 5 Look into Science
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◆ 教学目标
◆ 课前准备
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◆ 教学过程
Step 1. Warm-up
Free talk:
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?
Step 2. Presentation
1. Lead in: Show the picture of butterfly.
2. Explain the new words.
3. Show some butterflies and ask students: are they beautiful? What do you know about them?
4. Read the lesson by themselves.
5. Explain the language points:
have been doing sth.：“一直在做某事”，表示从过去某时开始的某个动作或状态一直延续到现在，而且还在进行。

表示动作的延续性、重复性以及感情色彩等。

draw one’s attention：“吸引某人的注意力”。

the phrases about attention:
draw one’s attention to sth.
使某人注意某事
pay attention to sth.
注意、留心
give one’s attention to sth.
关心
catch one’s attention
引起某人注意
as…as… 像......一样否定形式：not as/so... as... eg: I do my homework as carefully as my brother does. 我做作业像我哥哥一样认真。

spend: 度过，花(钱/时间)”
过去式和过去分词都是spent。

spend time/money(in) doing sth.
花费时间/金钱做某事
spend time/money on sth.
在某物上花费时间/金钱
spend time with sb.
和某人一起度过时光
lay eggs : 产卵
lay的过去式和过去分词都是laying.
cut down: 砍伐
both... and...: ......和...... 用于连接两个并列成分。

当它做主语时，谓语动词使用复数形式。

=not only... but(also)... 不仅......而且......
反义词组：neither... nor... 既不......也不......
Step 3. Practice
1. Listen and follow to the tape.
2. Read the lesson and complete the table on page 72.
3. Check the answers.
4. Work in groups of three to play a game.
Task tips: Each group should prepare some pieces of paper and divide them into three columns. Student A writes a person’s name in the first column, folds the paper and passes it to Student B. Student B writes a statement beginning with “who”, folds the paper and passes it to Student C. Student C must finish the sentence and read it out loud.
Step 4. Consolidation
1. Writing:
Join the sentences to make attributive clauses.
Example:
We did some experiments yesterday. The experiments were fantastic.
The experiments that we did yesterday were fantastic.
2. Enjoy a video and to know nature more.
Step5 Homework
1. Listen and read.
2. Finish exercises of this lesson.。