初中英语河北加拿大版学生用书 14

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[by:喜欢tingclass.net，请把tingclass.net告诉你QQ上的5位好友，多谢支持！] [00:00.00]听力课堂网 Lesson 14: [00:03.40]People and Plants [00:07.24]People use plants in many ways. [00:12.51]For food.There are about eighty thousand (80,000!) [00:21.37]different plants in the worldthat people can eat. [00:27.01]But half of the world's food comes from only three Plants:rice,corn and wheat. [00:37.96]For shelter.We use wood from trees to build houses and furniture. [00:45.40]Tables,chairs and beds are furniture. [00:50.96]So is your desk.For medicine. [00:56.92]We make many medicines from plants.What's medicine? [01:04.18]Doctors use medicine to help sick people.For clothing. [01:11.94]Is your shirt made of cotton Cotton is made from the cotton plant. [01:19.31]Do you have a hat made of straw? [01:24.17]Straw hats are made from the stems of grass plants. [01:30.44]For things we use to work. [01:34.69]Look at the things on your desk. [01:39.06]Books,paper,pencils,erasersand the ink in your pen all come from plants. [01:49.22]To make food taste better. [01:53.58]Some plants make food taste better. [01:58.13]Ginger,chocolate and cinnamon all come from plants.Ginger is a root. [02:06.98]Chocolate is made from the seeds of the cacao plant. [02:12.44]Cinnamon is made from the bark of a tree. [02:17.30]What are you doing, Danny?I'm eating some bark I hear bark is delicious. [02:26.16]Would you like some bark,Brian?No,thanks! [02:32.03]Not all bark is good,Danny! [02:35.87]Only the bark of the cinnamon tree!You're right!Yuck!