The sun is a huge, hot and bright star. It is important because without it there would be no life on the earth. The sun gives us light and heat.
All living things depend on the sun for their growth. Plants need light and heat to grow. They use the light from the sun to make food. But we human beings cannot make food by our own bodies from the sun. All the food we eat comes from plants in a food chain(鏈) . And the food chain starts with the sun . For example.
sun —→ potatoes  —→ chips
sun  —→ corn  —→ hens  —→ eggs
sun—→ wheat  —→ bread
Animals need sunlight, too. Just like us, their food comes from plants in food chain, which begins with the sun. For example,
Sun → leaf → caterpilllar(毛蟲) → bird
Sun → seaweed(海藻) → small fish → whale(鯨)
With the help of sunlight, we can see things during the day. Even when the sky is cloudy, the sunlight is very strong and it shines through the clouds. If there was no sun, it would be dark all the time.
小題1:The sun is a           star.
A. huge, cold and bright        B. huge, hot and bright       C. small, warm and bright       
小題2:What are the two main things the sun gives us?
A. Light and heat.             B. Heat and eggs.           C. Corn and light.              
小題3:From the passage we learn that         .
A. when the sky is cloudy, there is no sunlight at all                 
B. without the sun there will be no life on the earth
C. we human beings can make food by our own bodies
小題4:All the food we eat comes from          in a food chain. And the food chain stars with the         .
A. plants; earth       B. plants; sun            C. animals; star      
小題5:Which is the best title (標(biāo)題) for this passage?
A. Plants need heat and light to grow
B. All living things depend on the sun for their growth
C. The sun is very important

小題1:B
小題2:A
小題3:B
小題4:B
小題5:C

試題分析：文章介紹給我們太陽的重要性，太陽給我們帶來光明和熱量，沒有太陽就沒有地球上的所有生物，所有的生物鏈都是以太陽起始的。
小題1:細節(jié)理解題。根據(jù)原文The sun is a huge, hot and bright star.可知太陽是一個巨大，炎熱，明亮的星球。故選B。
小題2:細節(jié)理解題。根據(jù)原文The sun gives us light and heat.太陽給我們光和熱量。故選A。
小題3:細節(jié)理解題。根據(jù)原文It is important because without it there would be no life on the earth.可知沒有太陽就沒有地球上的生命。故選B。
小題4:細節(jié)理解題。根據(jù)原文All the food we eat comes from plants in a food chain(鏈) . And the food chain starts with the sun .可知我們吃的所有食物都來自食物鏈里的植物，食物鏈都是以太陽開始的。故選B。
小題5:細節(jié)理解題。通過閱讀可知，本文講述的是太陽的重要性。故選C。
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