D. It represented the knowledge of trees

4.Which of the following can be the best title for the text?

　A.A Simple Red Leaf B.A Strange Neighbor

　C. An Unusual Friend D.A Greeting From A girl

　　【文章大意】本文是一篇记叙文。每天上学的路上，我和女儿总会遇见一位男士，女儿总会给他打招呼，但没有得到答复，有一天当女儿给他摘一片红色的树叶的时候，再次打招呼的时候，这次得到了答复。多年后在女儿毕业的时候，这位男士送给女儿一本书，上面印有各种各样的植物和树，还有女儿曾经送给他的那片树叶，在那片树叶里包含着那位男士痛苦的过去。

1.D 【解析】细节理解题。根据第二段中But her cheerfulness soon faded when the man didn't look at her and say "Hi" back.及As we continued on our walk to school, my daughter asked why the man didn't want to say hi to her. Because I didn't have an answer,的提示可知令那位女孩困惑的是那位男士没有回答她的问候，故选D。

3.A 【解析】推理判断题。根据第三段中later I knew that Bob lost his wife in a car accident.的描述可知当时Bob刚刚失去自己的妻子，而女儿的行为让他很感动，所以保存下来这片红色的叶子，从而当作对自己痛苦时光的回忆，故选A。

4.A 【解析】主旨大意题。根据文中的描述可知这片红色的叶子一直贯穿全文，就是因为它才使故事得以发展，因此，一片红色的叶子就是该文的主旨，故选A。

Passage3（2018届江西省新余市第一中学高三毕业班模拟考试）

话题 词数 难度 参考用时 正确率 转基因食品 348 ★★★☆☆ 5分钟 　

Nowadays more and more people are talking about genetically modified foods ( GM foods). GM foods develop from genetically modified organisms (有机体), which have had specific changes introduced into their DNA by genetic engineering techniques. These techniques are much more precise where an organism is exposed to chemicals to create a nonspecific but stable change. For many people, the hightech production raises all kinds of environmental, ethical, health and safety problems. Particularly in countries with long farming traditions, the idea