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2017年小升初英语模拟试题(六十一)

2017.02.24 11:35

  新东方在线小学网整理了2017年小升初英语模拟试题,供同学们参考,希望能够帮助同学们提高学习成绩。

  2017年小升初英语模拟试题(六十一)

  一、根据汉语写单词

  1. I said a lot to them, and at last they            (同意).

  2. You‘d better say that            (再). He can’t follow you.

  3. Oh, how            (优美) this piece of music sounds!

  4. Flower will soon            (死) if we don‘t often water them.

  5. Five            (外国人) were shown around their factory last Saturday.

  二、普通阅读

  Leaves are nature’s food factories. Plants take water from the ground through their roots. They take a gas called carbon dioxide (CO2) from the air. Plants use sunlight to turn water and CO2 into glucose. Glucose is a kind of sugar. Plants use glucose as food for energy (f&ft) to grow. The way plants turn water and CO2 into glucose is called photosynthesis. That means “putting together with light.” A chemical called chlorophyll 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” to begin getting ready for winter.During winter, there is not enough light or water for photosynthesis. The trees will rest, and live on the food they have stored during the summer. They begin to close their food-making factories. The green chlorophyll disappears from the leaves. Then, we begin to see yellow and orange colors. A few of these colors stay in the leaves all the time. We just can‘t see them in the summer, because they are covered up by 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 hotosynthesis stops. Sunlight and the cool nights of autumn turn this 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.   D. Air.

  3. The way           is called photosynthesis.

  A. plants get CO2 from the air

  B. plants take water from the ground

  C. plants turn water and CO2 into glucose

  D. plants use glucose as food for energy to grow

  4. Red and purple colors in leaves are made mostly in  _____.

  A. spring      B. autumn  C. summer      D. winter

  5.    what in the leaves changes into red color in autumn.

  A. Sunlight   B. Water    C. Glucose    D. Chlorophyll

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