2026年轻松作业本八年级英语上册译林版第105页答案
五、阅读理解。
The ocean is not a quiet place. This is partly caused by sea animals. They use sound to find what they eat, whom they play with, or which place they move towards. But noise from human activities is increasingly troubling the lives of ocean animals.
According to scientists, loud noise may increase mass strandings(大规模搁浅) of sea animals. Researchers recorded only five of these events in the first half of the 20th century. From 1950 to 2004, they recorded more than 1,200 mass strandings. This is perhaps because of the use of sonar(声呐) underwater. Another main reason of loud underwater noise is pile driving(打桩). Piles are supports for bridges, oil and gas producing areas. They're driven deep into the floor of the ocean. Driving in a single pile can take several hours and as many as 5,000 hits. This process creates a lot of noise.
To restrain that noise, some companies are making use of tiny bubbles(气泡). A single bubble is easily broken. However, the bubble wall can make pile driving quieter. The bubble wall is usually created in this way: A tube(管) is placed in a ring around a pile. Air is then let out through closely spaced openings on the tube. When the bubbles rise, they act as walls and take in some of the noise. Some more of the sound reflects(反射) back and becomes stuck inside the wall. Such bubble walls are really helpful.
Other changes to pile driving can help as well. For example, people can take breaks in pile driving and let animals travel through.
Our noise in the ocean is causing big problems. But small changes in our behaviour can make a big difference to animals' lives in the world's oceans.
(
B
)1. Which paragraphs show how humans make changes to pile driving?
A. ①② B. ③④ C. ①③ D. ②④
(
A
)2. What does the underlined word "restrain" in Paragraph 3 mean?
A. Control. B. Increase. C. Make. D. Begin.
(
D
)3. In which part of a magazine can you read the text?
A. Culture. B. Health. C. Education. D. Nature.
(
B
)4. What is the structure of the text? (P=paragraph)

答案

1. B 2. A 3. D 4. B

解析

【分析】
本题为英语阅读理解题,需结合原文内容逐一分析各小题:第1题需定位人类对打桩的改变的段落;第2题通过上下文猜测划线词词义;第3题判断文章所属杂志板块;第4题分析文章结构,需理清各段落逻辑关系。
【解析】
1. 第1题:原文第③段介绍用气泡减少打桩噪音,第④段说明打桩时让动物通过的休息方法,均为人类对打桩的改变,对应③④段,故选B。
2. 第2题:划线词“restrain”所在句意为“为了______那种噪音,一些公司利用微小气泡”,结合上下文是要减少、控制噪音,“control”符合语境,故选A。
3. 第3题:文章围绕海洋动物、海洋噪音等自然相关内容展开,应属于杂志的Nature板块,故选D。
4. 第4题:文章结构为:①段引入海洋噪音问题;②段说明噪音的原因;③④段介绍解决方法;⑤段总结,对应选项B的结构,故选B。
【答案】
1.B 2.A 3.D 4.B
【知识点】
阅读理解词义猜测、阅读理解细节理解、阅读理解文章结构
【点评】
本题考查英语阅读理解的核心能力,需精准定位原文信息、结合语境猜词、判断题材及分析文章结构,整体难度适中。
【难度系数】
0.5