Unit4 Speakinga新高三英语课件 新课标 人教版 课件VIP免费

Unit4 Speakinga RoseWarming up tulip peony sunflower 1. Which is your favorite? Why? I love sunflower best of all. There are, I think, three reasons. First, I love eating the seeds of sunflowers because they are delicious; second, their stems can be used to build fences by farmers; third, sunflower oil is very popular in our daily life. 2. What about other three flowers? Tulips are native to Central and Western Asia, and parts of the Middle East, roughly in the region near Afghanistan. Tulips are mainly used for decoration. Tree peony, the Chinese National Flower, native to China, is called as the “King of Flowers”, which is widely used in Chinese medicine. Rose is native to Southwest Asia, and is often used as present with the meaning of “love”. Also, rose flower is a kind of important Chinese medicine. First, put some soft soil in the pot or box.Speaking about procedures Second, put the seeds of soybeans on a wet cloth or put them in the water. Then, put the seeds into the soil. After several days, the seeds come into bud and out of the soil. Later on, water them every two days till the green leaves grow. Carrots are loaded with vitamins, and are nutritious. On top of being good for you, carrots taste good, too. So our choice is carrot. (1) Before planting, work the soil deeply. (2) Sow them very thinly, about 1/4 inch deep. Cover them with a fine gardenOral-presentation Oral-presentation soil. Or sprinkle them on top of the soil, and lightly water them into the soil.(3) Keep carrots well weeded early in the season. They are easily overcrowded, with any competing weeds usually winning out.size, thinning the row as you harvest. Once you begin picking, you can harvest as needed.(4) Begin to harvest carrots as “baby”A description of basic photosynthesis: A description of basic photosynthesis: Photosynthesis is the process by which green ______ and certain other organisms transform _______ energy into chemical energy. During photosynthesis in green plants, light energy is captured and used Photosynthesis is the process by which green ______ and certain other organisms transform _______ energy into chemical energy. During photosynthesis in green plants, light energy is captured and usedplantsplantslightlightTalkingto convert ______, ________ _______, and minerals into oxygen and energy-rich organic compounds. to convert ______, ________ _______, and minerals into oxygen and energy-rich organic compounds. waterwatercarboncarbondioxidedioxideHomework Homework Ask your parents or others to teach you more about planting, if you are interested in. And please do Exercise 3 on Page 30 in the textbooks.