Ⅴ. 阅读短文,完成练习。
Future World in 2050
What will our life be like in 2050? Let's imagine together!
Environment
People will 1. protect forests actively, rather than (harm) them carelessly. Rivers that are 2. now may turn clear again. And the air might become much 3. not dirtier, because people use new energy and stop using 4. coal energy.
Transport
It is hard for someone to drive a long way to work or travel. Thanks to self-driving cars, it will make it easy. However, some still say roads will be more crowded. For this reason, some people will fly to work in 5. planes instead of loud cars or buses!
Education
Students will study inside virtual classrooms instead of real schools. Also, homework may 6. from paper books and appear on holograms(全息影像). And future tests might check understanding, not just memorising facts. It can help students feel more confident and raise the interest in learning.
Daily life
Robots are equipped with different tools and high technology. They will help do 7. work, while we do simple work. Will we be pleased if we don't have any work at all? Will they make our life be 8. or worse?
A. 按照示例,在横线上填入适当的单词并在本句中圈出它的反义词。
B. 根据语境,猜测画线单词的含义。
()1. crowded A. clean B. empty C. quiet D. busy
()2. virtual A. special B. online C. simple D. true
()3. raise A. improve B. cut C. make D. give
()4. pleased A. sad B. angry C. happy D. upset

A. 2. dirty/polluted—clear
3. cleaner—dirtier
4. old—new
5. quiet—loud
6. disappear—appear
7. difficult/hard—simple
8. better—worse(答案不唯一,仅供参考)
B. 1.D 2.B 3.A 4.C

【分析】
本题分为A、B两部分，A部分需结合上下文语境填入合适单词，并找出句中对应反义词，解题时要先理解每段主题，根据前后文逻辑（如转折、对比）确定单词，再定位句中反义词；B部分是词义猜测题，需结合语境和选项分析画线词含义，选出匹配的选项。
【解析】
A. 1. 环境段中，第2空后提到“turn clear again”，说明之前河流是脏的/被污染的，故填dirty/polluted，反义词为clear；2. 第3空后“not dirtier”提示此处应填比较级，对应cleaner，反义词为dirtier；3. 环境段提到用新能源，停止使用旧的煤炭能源，故填old，反义词为new；4. 交通段中第5空后提到“loud cars”，说明此处填quiet，反义词为loud；5. 教育段中第6空后“appear”提示此处填其反义词disappear，故填disappear；6. 日常生活段中第7空后“simple work”提示此处填其反义词difficult/hard，故填difficult/hard；7. 第8空后“worse”提示此处填其对应词better，故填better。
B. 1. crowded意为“拥挤的”，对应选项D（busy可形容拥挤状态）；2. virtual意为“虚拟的”，对应选项B（online符合虚拟的含义）；3. raise意为“提升”，对应选项A（improve与raise含义相近）；4. pleased意为“高兴的”，对应选项C（happy是同义替换）。
【答案】
A. 2. dirty/polluted—clear；3. cleaner—dirtier；4. old—new；5. quiet—loud；6. disappear—appear；7. difficult/hard—simple；8. better—worse（答案不唯一）
B. 1.D；2.B；3.A；4.C
【知识点】
英语词汇运用、词义猜测、反义词辨析
【点评】
本题围绕“2050年未来生活”主题，考查学生的词汇运用、语境理解及词义猜测能力，题型贴合英语基础学习要求，难度适中，适合学生巩固相关知识点。
【难度系数】
0.6