初中英语河北加拿大版学生用书 09

[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 UNIT 2 [00:03.08]Lessons 9~16 Plant a Plant! [00:09.93]Lesson 9: [00:13.27]Plant Parts [00:16.72]How many parts do plants have? [00:21.52]A plant has four main parts:Flowers,leaves and stems grow above ground. [00:32.18]Roots grow below ground.What do roots do? [00:39.26]Roots bring water from the ground to the plant. [00:44.72]What is the stem for? [00:48.48]The stem carries the water from the roots to the leaves and flowers. [00:56.06]The stem holds the leaves and flowers in the sunlight. [01:02.41]What are leaves for? Leaves make food for the plant. [01:09.67]Why do plants have flowers? [01:14.03]Is it because flowers are beautful? [01:19.07]No!Plants have flowers because the flowers make seeds. [01:25.94]New plants grow from seeds. [01:30.31]What parts do we eat? People eat all parts of plants.A carrot is a root. [01:40.47]Sugar is made from the stem of the sugarcane plant. [01:46.63]We eat the leaves of cabbage.We eat the flowers of gai lan. [01:54.10]The seeds of the rice plant feed billions of people. [02:00.66]What's a billion? It's 1,000,000,000! [02:10.61]FASCINATING FACT [02:14.09]palm leaves [02:17.56]The bamboo palm tree in South America has the biggest leaves in the world. [02:26.70]One leaf can grow twenty metres long! [02:32.37]Yikes!Twenty metres! [02:37.34]That's ten of me!

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