module 1教案
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Unit 3教案
Module2教案
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2. No, we haven't.
T: Now listen again. answer the questions in 4.
Play the recording. Then check the answers.
After this, ask students to repeat after the recording. Then read in pairs.Then ask students to finish activities 5 and 6. Check the answers. Sample answers to activity 6:
Something you’ve bor rowed this week:
I’ve borrowed some books about space travel this week.
I’ve borrowed a map of the world this week.
Something you’ve done recently:
I’ve finish reading a novel about an astronaut recently.
I’ve received three letters from my frien ds recently.
A model of something you have seen:
I’ve seen a model of Zhang Heng’s seismograph.
I’ve seen a model of spacecraft in Science Museum.
Something scientists have discovered:
American scientists have discovered that some plants are able to correct mistakes in their own genetic (遗传的) material.
Then show the following and tell students something about the present perfect tense.
1. I've just heard the news on the radio about the space mission to Mars.
2. I haven't heard about this yet.
3. Has it reached Mars yet?
T: In these sentences we can find the structure: have / has +pp. Can you find more sentences like these in the passage? We use the Present Perfect to say that an action happened at an unspecified time before now. The exact time is not important.
Show the following.
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母，再加-ed。

如：stop-stopped。

④末尾是辅音字母+y结尾的动词，先变y为i，然后再加-ed。

如：study-studied。

Step III Practice
Ask students to read the letter in activity 7 and complete the letter.
T: Boys and girls, do you want to know more about space? We’ll read Mary's letter. I'll give you 3 minutes to complete it. If you finish it, please put up your hands and read it to us, OK?
Ask one of the students to read it to the class. The others check the answers.
Then ask students to listen to an interview and finish activity 8. Word competition
T: Now let's have a competition between the boys and the girls. Let's see who can write more words about space. I'll give you two small boards and boys write on Board A, girls Board B. Begin!
Then go through Around the world with students.
Step IV Module task
T: Do you know the first Moon landing or China's first manned space travel? Please work in groups and make a poster about space travel. You can look for more photos and information on the Internet.
A sample poster:
Making History: China's First Human Spaceflight
Oct. 15, 2003, China launched an astronaut into Earth orbit.
Shenzhou V takes off
China Prepares for Second Piloted Space Mission
China Launches Experimental Satellite
Step V Homework
1. Ask the students to summarize what they have learned in this unit and preview the next unit.
2. Ask students to finish the exercises in the workbook.
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板书设计：
过去进行时的构成：…
过去进行时的用法：…
词组：…
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八年级上册教案。