题文

选词填空。

根据短文内容，用方框中所给的单词填空。 Both, inside, could, experiment, grown

What is the greenhouse(温室)effect? Have you ever been inside agreenhouse, the allglass building where plants are     1    ?It's very warm, because the glass walls allow the sun's rays(光线)in but keep the heat from getting out.     Think of the earth as being    2    a large green-house. The gases act like a greenhouse's glass walls-they keep the heat from getting out into space,and the earth stays warm.     Try,this easy     3    :Take two jars (大口瓶) and put a teaspoon of water in each jar. Put a lid (盖子) on just one jar. Place __4   jars in a aunny place. After a few hours,check on the jars. You'll see that the open jar hasn't changed,but the closed jar will be hot inside. What happened? The heat from the sun     5     not get out from the closed jar.

题型：填空题  难度：中档

答案

1. grown   2. inside   3. experiment   4. both   5. could

据专家权威分析，试题“选词填空。根据短文内容，用方框中所给的单词填空。Both, inside..”主要考查你对  科教类阅读  等考点的理解。关于这些考点的“档案”如下：

科教类阅读

考点名称：科教类阅读

• 科普类的阅读：
  科普类的阅读理解包含介绍科学知识、社会知识的短文。阅读这类短文时，要以事实为中心进行思考，抓住事物的特征、用途、相互关系等。
  如果是介绍社会现象的文章，要掌握所谈现象的内涵。

• 答题技巧：
  1. 加强整体意识，把握文章的主要内容。在阅读的时候可给段落标上序号，并给重要的句子和
     关键词做上记号，尤其是各段中心句，为答题提供更快捷更多的信息源。
  2. 审清题干，发觉和把握试题中有效的提示性信息，确认命题的角度、阅读范围和答题方式。
  3. 定位阅读，强化对应意识。同时要注意原文利用和自我加工相结合。