扬州市江都区第二中学.docx

扬州市江都区第二中学
英语学科 九年级集体备课稿
课题
9下 Unit 4 Life on Mars
Reading2
主备老师
王琴
时间
2019。2
Teaching
aims
1. masterur partner with this structure。
2。 too + adj。 + to do/… so … that … can’t …/… adj. + enough to do …
T: How long does the spacecraft need to get to Mars at present？
S: It takes months. Because our spacecraft are too slow to carry large numbers of passengers to Mars at present。
too + adj。 + to do/… so … that … can’t …/… adj. + enough to do …
. Sandy太小了不能去上学。
Sandy is too young to go to school。
Sandy is so young that she can’t go to school。
Sandy is not old enough to go to school。
3。 at the speed of
T： How long does the spacecraft need to get to Mars in the future？
S： By the year 2100， the journey might only take about 20 minutes in spacecraft that travel at the speed of light。
. The speed of the light is nearly 300，000，000 meters per second。
The cars are driving at high speed。
We should move at the speed of 100 kilometers per hour.
Step 4 Analysis
1. Life on Mars。
T: How many aspects does the article tell us about the life on Mars？ What are they？
S: Five aspects. They are about food, gravity, houses， free time and schools。
T： Describe life on Mars from the five aspects.
Food: Food would most probably be in the form of pills and would not be so tasty。
Gravity: The gravity on Mars is only about three—eighths of that on th