pic sentence: To start with, various 24-hour rhythms observed in people’s biological clocks can be adjusted. Р Example: A traveler flying from New York to London can adjust his normal rhythms to London time.Р2 Topic sentence: The same kind of resetting also takes place in the biological clocks of animals and plants.РExample 1: The clock of an animal or plant can be set to the laboratory-produced hours of light and dark.РExample 2: Mussels can adjust to the tides of the new beach after being moved from the old one.РConclusion:РBiological clocks, in a way, serve as automatic internal “watches” for all living things.РUnit 2—Section A Swimming Through FearРTeaching Procedures: РPre-reading Activities РStep 1. Greetings РGreet the whole class warmly. РStep 2. Lead-in and preparation for reading
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