英语：Unit 2 《Witnessing time》教案-Welcome to the unit（牛津译林版选修9）

Step1: Greetings

Step2: Brainstorming

1. China is a large country with a long history. Can you name some famous Chinese historic sites you are familiar with?

2. With the fast development of the modern world, the problems of preserving cultural heritage sites are becoming more and more serious. Nowadays many historic sites have been damaged, leaving only part of the ruins. Do you think it is necessary to rebuild them?

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