Lead-in
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In this part, you will be introduced to the theme by doing the following tasks:
1. Read the Lead-in Powerpoint slides:
2. Finish the exercises in the PPT here:
Listen to the song and do the exercise.
Watch the video clip and do the exercises.
Watch the video clip of Professor Zhang Miman being awarded the Annual L'Oreal-UNESCO Awards for Women in Science in 2018:
Watch the video clip and do the exercise.

