2026年初中必刷题八年级英语上册沪教版第18页答案
[2026 辽宁大连期末] The population problem may be the ______ 1 ______ one in the world today. The world's population is growing ______ 2 ______ . Two thousand years ago, there were about 230 million people ______ 3 ______ Earth. Four hundred years ago, the number was ______ 4 ______ 500 million. ______ 5 ______ at the beginning of the ______ 6 ______ century, the world's population was about 1,600 million. In 1970, this number was about 3,600 million. In 1987, the number was more than five billion. A report said that the world's population had passed six ______ 7 ______ by the end of the 20th century. This was just 13 ______ 8 ______ after it ______ 9 ______ five billion. It is estimated (估计) the world's population will grow by more than ______ 10 ______ by the year 2050.
(
C
)1. A. happiest B. best
C. greatest D. longest
(
A
)2. A. faster and faster B. worse and worse
C. later and later D. further and further
(
B
)3. A. by B. on C. at D. for
(
D
)4. A. in B. from C. to D. over
(
B
)5. A. Though B. But
C. Because D. So
(
C
)6. A. twenty B. twelve
C. twentieth D. twelfth
(
C
)7. A. million B. thousand
C. billion D. hundred
(
D
)8. A. weeks B. months C. seasons D. years
(
C
)9. A. knew B. went
C. reached D. bought
(
D
)10. A. a three B. one thirds
C. one of three D. a third

答案

1—5 C A B D B
6—10 C C D C D
1. C 句意为:人口问题可能是当今世界最大的问题。根据句意和选项可知,此处表示最大的问题,故选 C 项。
2. A 句意为:世界人口正增长得越来越快。结合语境可知,此处表示人口增长越来越快,故选 A 项。
3. B 句意为:两千年前,地球上有约 2.3 亿人。on Earth 是固定短语,表示"在地球上",故选 B 项。
4. D 句意为:四百年前,这个数字超过了 5 亿。根据"Two thousand years ago, there were about 230 million people"及常识可知人口在增长,此处指"超过 5 亿",over 可表示"超过",故选 D 项。
5. B 句意为:但是在 20 世纪初,世界人口大约是 16 亿。前一句讲 400 年前人口超过 5 亿,本句讲 20 世纪初人口约为 16 亿,从 5 亿多到约 16 亿是巨大的增长,这里用 But 可以强调这种增长的惊人之处,故选 B 项。
6. C "世纪"需要用序数词表达,结合 Four hundred years ago 及上下文可知,文章按时间顺序介绍,此处表示 20 世纪,故选 C 项。
7. C 空前有具体数字 six,根据前文"In 1987, the number was more than five billion."及选项可知此处表示"十亿",故选 C 项。
8. D 结合常识及语境可知,人口从 50 亿增长到 60 亿应以"年"为时间单位,故选 D 项。
9. C 根据"after it... five billion"并结合选项可知,表示达到具体的数字应用 reached,故选 C 项。
10. D 句意为:预计到 2050 年,世界人口将会增长超过三分之一。此处表示"增长了超过三分之一","三分之一"的表达为 a third,故选 D 项。

解析

【分析】本题为关于世界人口增长的完形填空题,解题时需结合上下文语境、固定搭配、语法规则(如序数词、数词表达)及常识逐一分析:第1题需选修饰“问题”的形容词最高级;第2题描述人口增长趋势;第3题考查固定短语;第4题选表示“超过”的词;第5题体现转折关系;第6题考查“世纪”的序数词;第7题结合前文人口单位;第8题选时间单位;第9题选表示“达到”的动词;第10题考查分数表达。
【解析】1. 句意为“人口问题可能是当今世界最大的问题”,greatest(最大的)符合句意,故选C。2. 句意为“世界人口正增长得越来越快”,faster and faster(越来越快)符合语境,故选A。3. on Earth是固定短语,意为“在地球上”,故选B。4. 句意为“四百年前,人口数量超过了5亿”,over(超过)符合语境,故选D。5. 前文讲四百年前人口超5亿,本句讲20世纪初人口约16亿,前后为转折关系,用But,故选B。6. “世纪”需用序数词,此处指20世纪,twentieth符合,故选C。7. 前文提到1987年人口超50亿,此处指20世纪末人口超60亿,billion符合单位,故选C。8. 人口从50亿到60亿的时间跨度以“年”为单位,故选D。9. 表示“达到(数字)”用reached,故选C。10. “三分之一”的正确表达为a third,故选D。
【答案】1—5 C A B D B;6—10 C C D C D
【知识点】完形填空解题、固定搭配、数词表达
【点评】本题围绕世界人口主题设题,考查词汇辨析、固定短语、语法知识,需结合上下文语境和常识作答,为基础型完形填空。
【难度系数】0.6
答案 11—14 | | | | |
Do you know paint-by-numbers pictures? No? Your parents and grandparents may know the pictures because they are not something new.
In a paint-by-numbers picture, you can see a painting divided into different parts with different numbers.
C
11
For example, when you paint, you just colour the parts with the number "1" in black and the parts with the number "2" in white. This makes it easy for people to paint.
D
12
He once worked for a paint company. One day in 1949, Dan's boss asked him to sell more paintings. Then Dan had the idea of paint-by-numbers pictures. He knew that the famous artist Leonardo da Vinci used to divide paintings into different parts and number them. Dan wanted to create pictures to let people paint in the same way. His boss asked him to create such pictures.
Dan created several different kinds of paint-by-numbers pictures.
B
13
In 1951, the company showed customers how to colour a large paint-by-numbers picture in a shopping centre in New York. After that, paint-by-numbers pictures became very popular.
Some people say that paint-by-numbers pictures are not real art.
E
14

A. He was from a big company.
B. At first, they didn't sell well.
C. Each of those numbers is for a colour.
D. Dan Robbins is the father of paint-by-numbers pictures.
E. But Dan only wanted everyone to enjoy art in an easy and happy way.

答案

11—14 C D B E
11. C 根据下文的"For example, when you paint, you just colour the parts with the number '1' in black and the parts with the number '2' in white."可知,C 选项符合语境。
12. D 根据下文的"He once worked for a paint company."可知,此处应当介绍数字画的发明人,故选 D 项。
13. B 根据下文的"In 1951, the company showed customers how to colour a large paint-by-numbers picture in a shopping centre in New York. After that, paint-by-numbers pictures became very popular."可知,此处应该介绍数字画一开始卖得并不好,故选 B 项。
14. E 根据上文的"Some people say that paint-by-numbers pictures are not real art."可知,E 选项符合语境。

解析

【分析】
本题为英语补全短文题,解题思路为:先通读全文,把握文章核心内容(介绍数字画的起源、发展及相关评价);再逐个分析空格前后的语境,结合举例、指代、转折、因果等逻辑关系,匹配对应选项,确保内容连贯、逻辑通顺。
【解析】
11空:根据后文“For example, when you paint, you just colour the parts with the number '1' in black and the parts with the number '2' in white”可知,此处应说明数字与颜色的对应关系,故选C。
12空:后文提到“He once worked for a paint company”,“He”指代空格处的人物,此处应介绍数字画的发明人,故选D。
13空:后文提到“In 1951... After that, paint-by-numbers pictures became very popular”,说明数字画后期流行,此处应介绍前期的销售情况,故选B。
14空:前文提到“Some people say that paint-by-numbers pictures are not real art”,后文应是对该观点的转折回应,说明Dan的初衷,故选E。
【答案】
11—14 C D B E
【知识点】
英语补全短文、语境推理
【点评】
本题围绕数字画的相关内容设置,考查学生对上下文语境的理解及逻辑关联的判断能力,解题关键是抓住空格前后的提示信息,难度适中。
【难度系数】
0.6