题目内容

3．Seed plants-plants _____ from seeds-need water，sunlight and mineral to grow vigorously．（　　）
A．grownB．to growC．to be grownD．having grown

分析 种子类植物，一种用种子培养出来的植物，需要水，阳光和矿物质才会蓬勃生长的植物．

解答 答案：A
题干中grow是作plants的后置定语，要用非谓语动词；grow与被修饰名词构成动宾关系，要用被动；句意表达的是客观事实，不能用不定式．故选A．

点评 过去分词是非谓语动词的一种，用法很灵活，分为简单式done（表示与谓语同时或几乎同时发生的动作）；完成式having been done（表示先于谓语的动作）．学习时，要把握其用法特征：表示被动和完成．同时还要注意区分现在分词和不定式．

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  Eager to be part of this aspect of Chinese culture，I decided to buy a bicycle．Great weather accompanied my great buy．I immediately jumped up on my bicycle seat and started home．
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（39）A
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