unit 3 back to the past language points
teaching aims:
students will learn to use some important phrases and key words.
teaching procedures:
i important phrases
1. a british club arranged for high school students to go on a cultural tour of places where there are lost civilizations.
civilization 文明，文明世界，文明社会；现代生活的舒适环境或文明设施
（特定时期和地区）社会文明
e.g. astronauts circling the earth are able to keep in touch with civilization by radio.
环绕地球飞行的宇航员可通过无线电与文明世界保持联系。
environmental damage threatens the whole of civilization.
环境的破坏威胁着整个文明世界。
american civilization differs from ours.
美国的社会和生活方式与我们不同。
we are proud of the civilizations of ancient china.
我们为古代中国的文化而感到自豪。
what happened in that country horrified civilization.
那个国家发生的事情令文明国家震惊。
▲ civilize vt. 使文明，使开化；教化，
熏陶，使文雅
civilized adj. 文明的，开化的；
