六、Read and choose. Binbin 阅读了一本关于水的科普书。请你读一读，根据短文内容选择正确的答案。
Water is very important in our life. But do you know where water comes from?
Most of the water on Earth is salt water. It is in the oceans and seas. Only a small part is fresh water. About 2.5% of the water on Earth is fresh water, but most of it is frozen or too deep to use. Only about 0.3% is usable fresh water. It comes from rivers, lakes and groundwater.
We can use running water to make electricity. That is called water power.
()1. Most of the water on Earth is water.
A. salt B. fresh C. clean
()2. About of the water on Earth is fresh water.
A. 97% B. 2.5% C. 0.3%
()3. Only about is usable fresh water.
A. 97% B. 2.5% C. 0.3%
()4. Usable fresh water comes from rivers, lakes and .
A. seas B. glaciers C. groundwater
()5. We can use running water to make .
A. heat B. electricity C. light

1. A 2. B 3. C 4. C 5. B

【分析】
这是一道英语阅读理解细节选择题，解题思路为：先通读短文理解水资源相关内容，再针对每个小题的问题，回到短文中定位对应关键信息，对比选项选出正确答案，确保每道题都有原文依据支撑。
【解析】
1. 定位短文第二段第一句“Most of the water on Earth is salt water.”，可知地球上大部分是咸水，选A。
2. 定位短文第二段“About 2.5% of the water on Earth is fresh water”，可知淡水占比约2.5%，选B。
3. 定位短文第二段“Only about 0.3% is usable fresh water.”，可知可用淡水占比约0.3%，选C。
4. 定位短文第二段最后一句“It comes from rivers, lakes and groundwater.”，可知可用淡水来自河流、湖泊和地下水，选C。
5. 定位短文最后一段“We can use running water to make electricity.”，可知水流可用来发电，选B。
【答案】
1.A 2.B 3.C 4.C 5.B
【知识点】
英语阅读理解、细节理解题
【点评】
本题为英语基础细节题，考查学生提取短文具体信息的能力，只要认真阅读原文定位关键内容即可解答。
【难度系数】
0.8

七、Research and say. 同学们，你还知道我们能从哪里获得能源吗？请你查阅资料，并和同伴说一说吧。

示例：We can get energy from the sun, wind, running water, coal and the heat deep under the ground.

【分析】本题要求用英语回答我们获取能源的来源，需结合常见的能源类型，按照题目给出的句式“We can ...”组织语言，明确能源的常见来源后完成句子表达。
【解析】根据题目要求，使用“We can get energy from + 能源来源”的标准句式，列举太阳能、风能、流水、煤炭、地下深处的热量等常见能源，组成符合要求的英语句子。
【答案】We can get energy from the sun, wind, running water, coal and the heat deep under the ground.
【知识点】英语句子表达、能源常识
【点评】本题结合英语表达与生活中的能源知识，既考查英语句式运用能力，又帮助学生巩固常见能源的相关知识，难度适中。
【难度系数】0.3