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C
We talk every day. When we have good news, we like to share it with our good friends and when something terrible happens, we will let others know soon. But do you know that a tree can talk and share news? It sounds strange, but it's true that some trees can also communicate with each other. Of course, no tree moves lips and says words just as people do.
Willow trees(柳树)are the best-known of these trees. When insects begin eating a willow tree, the tree gives out a special smell at once. This smell tells the other willow trees that insects are coming near. All of them quickly make a chemical(化学物质)in their leaves. This chemical is bad for the insects. The insects do not like it and they fly away soon. In this way, the willow trees keep themselves away from the insects.
Next time when you take a walk near the trees, maybe the trees are "talking" to each other quietly. And when someone says that trees cannot "talk", please tell them that even trees can "talk" to each other, too.
27. Willow trees communicate with each other through .
A. words B. winds C. smells D. sounds
28. What does the underlined word "lips" in the first paragraph mean?
A. 树干 B. 嘴唇 C. 枝条 D. 手势
29. make(s) the insects fly away.
A. The leaves on the willow trees B. The "talk" between the willow trees C. The special smell that willow trees give out D. The chemical that willow trees make in their leaves
30. According to the passage, which of the following is the right order?
a. The willow tree gives out a smell.
b. All the willow trees make a chemical in their leaves.
c. Insects fly away because of the chemical.
d. Insects begin eating a willow tree.
A. d-a-b-c B. d-b-a-c C. a-b-c-d D. d-c-b-a
We talk every day. When we have good news, we like to share it with our good friends and when something terrible happens, we will let others know soon. But do you know that a tree can talk and share news? It sounds strange, but it's true that some trees can also communicate with each other. Of course, no tree moves lips and says words just as people do.
Willow trees(柳树)are the best-known of these trees. When insects begin eating a willow tree, the tree gives out a special smell at once. This smell tells the other willow trees that insects are coming near. All of them quickly make a chemical(化学物质)in their leaves. This chemical is bad for the insects. The insects do not like it and they fly away soon. In this way, the willow trees keep themselves away from the insects.
Next time when you take a walk near the trees, maybe the trees are "talking" to each other quietly. And when someone says that trees cannot "talk", please tell them that even trees can "talk" to each other, too.
27. Willow trees communicate with each other through .
A. words B. winds C. smells D. sounds
28. What does the underlined word "lips" in the first paragraph mean?
A. 树干 B. 嘴唇 C. 枝条 D. 手势
29. make(s) the insects fly away.
A. The leaves on the willow trees B. The "talk" between the willow trees C. The special smell that willow trees give out D. The chemical that willow trees make in their leaves
30. According to the passage, which of the following is the right order?
a. The willow tree gives out a smell.
b. All the willow trees make a chemical in their leaves.
c. Insects fly away because of the chemical.
d. Insects begin eating a willow tree.
A. d-a-b-c B. d-b-a-c C. a-b-c-d D. d-c-b-a
答案
27~30 DCBA
解析
【解析】
27. 根据第二段“When insects begin eating a willow tree, the tree gives out a special smell at once. This smell tells the other willow trees that insects are coming near.”可知，柳树通过气味彼此交流，故选C。
28. 根据第一段“no tree moves lips and says words just as people do”，结合常识人说话时会动嘴唇，可推测“lips”意为“嘴唇”，故选B。
29. 根据第二段“All of them quickly make a chemical(化学物质)in their leaves. This chemical is bad for the insects. The insects do not like it and they fly away soon.”可知，是柳树树叶里产生的化学物质让昆虫飞走，故选D。
30. 梳理文章事件顺序：首先昆虫开始啃食一棵柳树（d），接着这棵柳树释放出一种气味（a），然后所有柳树在树叶里产生一种化学物质（b），最后昆虫因为这种化学物质飞走（c），正确顺序是d-a-b-c，故选A。
【答案】
27~30 DCBA
【知识点】
细节查找、词义猜测、事件排序
【点评】
本文介绍了柳树通过释放气味和产生化学物质来进行交流、抵御昆虫的方式。题目侧重考查对文章细节信息的捕捉与理解能力，解答时需精准定位原文关键语句，结合语境分析作答。
27. 根据第二段“When insects begin eating a willow tree, the tree gives out a special smell at once. This smell tells the other willow trees that insects are coming near.”可知，柳树通过气味彼此交流，故选C。
28. 根据第一段“no tree moves lips and says words just as people do”，结合常识人说话时会动嘴唇，可推测“lips”意为“嘴唇”，故选B。
29. 根据第二段“All of them quickly make a chemical(化学物质)in their leaves. This chemical is bad for the insects. The insects do not like it and they fly away soon.”可知，是柳树树叶里产生的化学物质让昆虫飞走，故选D。
30. 梳理文章事件顺序：首先昆虫开始啃食一棵柳树（d），接着这棵柳树释放出一种气味（a），然后所有柳树在树叶里产生一种化学物质（b），最后昆虫因为这种化学物质飞走（c），正确顺序是d-a-b-c，故选A。
【答案】
27~30 DCBA
【知识点】
细节查找、词义猜测、事件排序
【点评】
本文介绍了柳树通过释放气味和产生化学物质来进行交流、抵御昆虫的方式。题目侧重考查对文章细节信息的捕捉与理解能力，解答时需精准定位原文关键语句，结合语境分析作答。
