《六年级英语 小升初每日一练 39 （闽教版）》由会员分享，可在线阅读，更多相关《六年级英语 小升初每日一练 39 （闽教版）（3页珍藏版）》请在金锄头文库上搜索。
1、小升初英语每日一练（39）一、根据汉语写单词1. I said a lot to them, and at last they (同意).2. Youd better say that (再). He cant follow you.3. Oh, how (优美) this piece of music sounds!4. Flower will soon (死) if we dont often water them.5. Five (外国人) were shown around their factory last Saturday.二、普通阅读Leaves are natures foo
2、d factories. Plants take water from the ground through their roots. They take a gascalled carbon dioxide (CO2) from the air. Plants use sunlight to turn water and CO2 into glucose. Glucoseis a kind of sugar. Plants use glucose as food for energy (f&ft) to grow. The way plants turn water and CO2into
3、glucose is called photosynthesis. That means putting together with light.” A chemical calledchlorophyll helps make photosynthesis happen. Chlorophyll is green. It gives plants their green color.As summer ends and autumn comes, the days get shorter and shorter. This is how the trees know tobegin gett
4、ing ready for winter.During winter, there is not enough light or water for photosynthesis. The trees will rest, and live on the foodthey have stored during the summer. They begin to close their foodmaking factories. The greenchlorophyll disappears from the leaves. Then, we begin to see yellow and or
5、ange colors. A few of thesecolors stay in the leaves all the time. We just cant see them in the summer, because they are covered upby the green chlorophyll.Red and purple colours we see in leaves are made mostly in the autumn. In some trees, like maples(枫树)，glucose is stored in the leaves after phot
6、osynthesis stops. Sunlight and the cool nights of autumn turnthis glucose into red. The brown color of trees like oaks(橡树) is made from wastes left in the leaves.1. The word chlorophyll in the first paragraph means in Chinese.A叶绿素 B氧气 C胡萝卜素 D蛋白质2. Where is CO2 from?A. Ground. B. Roots. C. Sunlight.
7、D. Air.3. The way is called photosynthesis.A. plants get CO2 from the airB. plants take water from the groundC. plants turn water and CO2 into glucoseD. plants use glucose as food for energy to grow4. Red and purple colors in leaves are made mostly in .A. spring B. autumn C. summer D. winter5. what in the leaves changes into red color in autumn.A. Sunlight B. Water C. Glucose D. Chlorophyll
