Root,Stem,and Leaf Most plants have root(根),stems(莖),and leaves.Plants use these parts to get light and water.Roots hold the plant in the ground.They take in water and minerals(礦物質(zhì)) from the ground. | Fruit Fruit is also part of the plant.Fruits keep seeds(種子) in safety so they can grow into new plants.Seeds are made by flowers.They come in all kinds of different shapes and sizes.They can grow into new plants.Sometimes,seeds are kept in safety inside of fruit.Some fruits,like strawberries,have seeds on the outside.In order to grow,seeds need to move to a new place where they can get the water,light,and space they need to live. | |
Flower The flower is one of the parts of the plant. Flowers come in different colors,shapes,and sizes.Even though they look different,all flowers make seeds. | Connection Flowers make seeds.Then flowers turn into fruits.Seeds inside or on the fruit grow into new plants. |
分析 這是一篇科普文章,介紹了植物的根,莖,葉,果實(shí)和花的作用,它們之間是互相關(guān)聯(lián)的.
解答 46.B 細(xì)節(jié)理解題,根據(jù)Root,Stem,and Leaf Most plants have root(根),stems(莖),and leaves.Plants use these parts to get light and water可知植物利用根,莖,葉來(lái)吸收光和水.故選B,葉子.
47.A 細(xì)節(jié)理解題,根據(jù)Fruits keep seeds(種子) in safety so they can grow into new plants.水果可以使種子安全所以他們可以長(zhǎng)成新的植物.故選A,安全的.
48.C 理解歸納題,根據(jù)文章可知本文談?wù)摿?nbsp;root(根),stems(莖),leaves,fruit和flowers五部分,故選C.
點(diǎn)評(píng) 本文是一篇科普文章.做題時(shí)要在理解好文意的基礎(chǔ)上,與題目有機(jī)的結(jié)合,從文章中找到相關(guān)細(xì)節(jié)性的句子與選項(xiàng)細(xì)細(xì)比對(duì),進(jìn)行選擇或推理判斷,選出符合文章內(nèi)容的正確選項(xiàng).做題注意靈活,有時(shí)可采用排除法或直選法確定出最終答案.
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