题目内容
12.Plants and Their Parts| Root,Stem,and Leaf Most plants have root(根),stems(茎),and leaves.Plants use these parts to get light and water.Roots hold the plant in the ground.They take in water and minerals(矿物质) from the ground. | Fruit Fruit is also part of the plant.Fruits keep seeds(种子) 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. |
A.seeds
B.leaves
C.fruits
D.flowers
47.What is the use (作用)of the fruits?They can keep seedsA.
A.safe
B.different
C.new
D.big
48.How many parts of plants does the passage describe?C
A.Three
B.Four
C.Five
D.Six.
分析 这是一篇科普文章,介绍了植物的根,茎,叶,果实和花的作用,它们之间是互相关联的.
解答 46.B 细节理解题,根据Root,Stem,and Leaf Most plants have root(根),stems(茎),and leaves.Plants use these parts to get light and water可知植物利用根,茎,叶来吸收光和水.故选B,叶子.
47.A 细节理解题,根据Fruits keep seeds(种子) in safety so they can grow into new plants.水果可以使种子安全所以他们可以长成新的植物.故选A,安全的.
48.C 理解归纳题,根据文章可知本文谈论了 root(根),stems(茎),leaves,fruit和flowers五部分,故选C.
点评 本文是一篇科普文章.做题时要在理解好文意的基础上,与题目有机的结合,从文章中找到相关细节性的句子与选项细细比对,进行选择或推理判断,选出符合文章内容的正确选项.做题注意灵活,有时可采用排除法或直选法确定出最终答案.
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