2026年金版学案同步优学智慧作业九年级英语上册外研版第94页答案
一、阅读教材 P84 ~ P85 的课文,选出下列各题的最佳选项
(
C
)1. When was plastic invented?
A. Around the 1680s.
B. Around the 1780s.
C. Around the 1860s.
D. Around the 1960s.
(
D
)2. What is the problem of burning plastic waste?
A. It takes a long time to burn.
B. It makes the plastic weaker.
C. It turns the plastic into useless things.
D. It produces thick smoke that causes air pollution.

答案

1.C 2.D

解析

【分析】这是两道基于指定教材课文的细节理解题,需结合教材P84~P85的课文内容,分别定位塑料发明的时间、焚烧塑料垃圾的问题,选出对应最佳选项。
【解析】1. 定位教材P84~P85中关于塑料发明时间的内容,可知塑料大约在19世纪60年代被发明,对应选项C;2. 定位教材中关于焚烧塑料垃圾的问题描述,可知焚烧塑料会产生浓烟造成空气污染,对应选项D。
【答案】1.C 2.D
【知识点】阅读理解(细节理解)、事实信息查找
【点评】本题考查对指定课文细节信息的定位与判断,难度较低,只要认真阅读指定教材内容即可正确作答。
【难度系数】0.8
二、阅读教材 P84 ~ P85 的课文,回答下列问题
1. What did plastic quickly replace when it was invented?
It quickly replaced wood and other natural materials.

2. Where was plastic waste first seen in the 1960s?
It was first seen in the oceans in the 1960s.

3. How many grams of plastic do we eat a week on average according to the passage?
We eat five / 5 grams of plastic a week on average according to the passage.

答案

1. Plastic / It quickly replaced wood and other natural materials. / Wood and other natural materials.
2. Plastic waste / It was first seen in the oceans in the 1960s. / In the oceans.
3. We eat five / 5 grams of plastic a week on average according to the passage. / Five / 5 grams.

解析

【分析】本题为教材阅读细节题,需紧扣每个问题的核心关键词,在指定阅读段落(P84-P85)中定位对应信息,提取准确答案。具体:第1题抓“塑料发明时快速替代的事物”,第2题抓“1960年代塑料垃圾首次出现的地点”,第3题抓“每周平均摄入的塑料克数”,逐一匹配原文内容即可。
【解析】1. 从教材对应段落可知,塑料发明时快速替代了木材和其他天然材料,故答案为Wood and other natural materials;2. 原文明确1960年代塑料垃圾首次出现在海洋中,故答案为In the oceans;3. 原文提到每周平均摄入5克塑料,故答案为Five / 5 grams。
【答案】1. Wood and other natural materials. 2. In the oceans. 3. Five / 5 grams.
【知识点】阅读理解(细节查找)、信息提取
【点评】本题聚焦阅读文本的基础细节考查,难度较低,学生只要认真阅读指定段落就能顺利完成作答,旨在训练学生的文本信息定位能力。
【难度系数】0.7