最新英语总复习∶八年级英语下册阅读理解(提高)知识讲解及答案

very healthy.

Here are some facts that you should know about space vegetables.

Space vegetables are grown from seeds that are carefully chosen. When seeds are brought back from space they are tested to make sure that they will be safe to eat.

Space vegetables are better for you than normal vegetables. For example, space tomatoes stay fresh for twenty days, which is one week longer than normal tomatoes。

After genetically modified （转基因）food appeared in the market, people worried that they were eating unknown things. For example, if nut genes（坚果基因） are put inside potatoes, people allergic（过敏的） to nuts might get sick from eating these potatoes because they do not know they are also eating nuts. Unlike genetically modified food, space vegetables have not been genetically changed. This means that no new genes are put into the vegetables. Therefore, there are no dangers of eating unknown.

（1）According to Paragraph One, how are the space vegetables? A. More delicious. B. Healthier and bigger. C. More dangerous. D. Cheaper and healthier.

（2）According to Paragraph 4, how long can normal tomatoes stay fresh?

A. For seven day. B. For twenty days. C. For thirteen days. D. For twenty-seven days. （3）What's the difference between space vegetables and genetically modified food? A. Space vegetables have no new genes. B. Space vegetables are grown in space. C. Space vegetables have nothing unknown. D. Space vegetables are genetically changed. （4）What does the writer want to tell us? A. The seeds of space vegetables are taken to space. B. Everybody worries about eating space vegetables. C. Space vegetables are safe and good for people to eat. D. Space vegetables bring us illness because of the radiation. 【答案】 （1）B （2）B （3）A （4）C

【解析】【分析】大意：本文讲述本文主要讲述太空蔬菜安全且对人有益，由受到辐射和较低的引力的种子培育出来太空蔬菜体型大且比普通的蔬菜更健康。

（1）细节题。根据these seeds produce vegetables that are bigger and healthier than normal vegetables.可知，太空蔬菜更健康且更大，故选B。

（2）细节题。根据space tomatoes stay fresh for twenty days, which is one week longer than normal tomatoes.可知，太空蔬菜能保鲜20天，故选B。

（3）细节题。根据This means that no new genes are put into the vegetables.可知，太空蔬菜

没有新的基因，故选A。

（4）主旨题。本文主要讲述太空蔬菜安全且对人有益，故选C。

【点评】考查阅读理解能力，细节题主旨题是阅读理解题中常考题型。细节题要从文中寻找答案；主旨题需要通读全文，了解大意之后找出中心思想。

11．阅读理解

In January, 2017, a Chinese \（外交官）\Many US people were at the airport and said goodbye to her. Who is the diplomat? She is a 3-year-old panda called Bao Bao.

Bao Bao was born at the National Zoo in Washington D. C., the US in 2013. Her parents are Tian Tian and Mei Xiang. China sent them to the US in 2000.\have watched Bao Bao grow up during the past three years,\said Dennis Kelly, the zoo director. \going to miss her so much.\

Why does Bao Bao have to come back to China? It's because all the pandas born in foreign countries must come back to China before they turn 4. This is an agreement between China and other countries.

Bao Bao spent about 16 hours on the plane home. A zookeeper and a doctor stayed with her along the way. The zoo also put bamboo, apples, biscuits, potatoes and water on the plane. Now, Bao Bao is happy at her new home in Chengdu, Sichuan Province. （1）Which of the following is TRUE about Bao Bao? A. Many US people came to see her off. B. She is 17 years old.

C. She travelled to the US in 2013. D. She was born in Chengdu, China. （2）According to the agreement, Bao Bao has to before she's 4. A. come back to China B. travel around the US C. move to another US city D. make friends with a panda （3）How did Bao Bao come home?

A. By truck. B. By ship. C. By train. D. By plane. （4）What is the main idea of the article?

A. The panda's life in the United States. B. All pandas belong to China. C. A little panda comes back home. D. Pandas play a big part in the world. 【答案】 （1）A （2）A （3）D （4）C

【解析】【分析】文章大意：文章讲述了中国的一个叫宝宝的友谊使者从美国返回中国的故事。

（1）判断正误题，根据 Many US people were at the airport and said goodbye to her. 可知 有很多美国人来跟熊猫宝宝送行，故答案是A。

（2）细节理解题，根据 It's because all the pandas born in foreign countries must come back to China before they turn 4. This is an agreement between China and other countries. 可知，协

议规定，在外国出生的熊猫4岁之前必须回归中国。故答案是A。

（3）细节理解题，根据 Bao Bao spent about 16 hours on the plane home. 可知宝宝是坐飞机回家的，故答案是D。

（4）主旨大意题，文章主要讲述熊猫宝宝回家的故事。故答案是C。

【点评】考查阅读理解。本题涉及到了细节题，正误判断题和主旨大意题，细节题和正误判断题都是、可直接从文中找到答案。主旨大意题则需要在充分理解课文的基础上才能正确作答。

12．阅读理解

What will life be like in 2050

Life will probably be very different in 2050 in all the fields, from entertainment to technology. TV channels will disappear in 2050. People will choose a programme from a \and a computer will send the programme directly to the television.

Water wilt become one of our most serious problems. Today in many places, agriculture is developing and people are growing fruit and vegetables to export（出口）. This needs a lot of water. Need for water will increase ten times between now and 2050 and there will be serious shortages（短缺）.

In transportation, computers will control the speed of the ears and there won't be any accidents. Today, many cars have computers that tell drivers exactly where they are. By 2050, the computer will control the car and drive it to where you want to go. Besides, space planes will take people halfway around the world in two hours. Nowadays, the United States Shuttle can go into space and land on Earth again. By 2050, space planes will fly all over the world and people will fly from Los Angeles to Tokyo in just two hours.

In the field of technology, robots will replace people in many fields. Today many factories have already used robots. Big companies prefer robots because they do not ask for pay rises or go on strikes, and they work 24 hours a day. By 2050, we will see robots everywhere—in factories, schools, offices, hospitals, shops and homes. （1）TV channels will in 2050.

A. disappear B. appear C. be more expensive D. be cheaper （2）How many times will water use increase between now and ______.

A. Five times. B. Eight times. C. Ten times. D. Eleven times. （3）What will NOT happen to cars in 2050? A. There will be no accidents.

B. Computers will control the speed of cars. C. Computers will tell drivers where exactly they are.

D. Computers will control the cars and drive the cars to where you want to go. （4）Big companies prefer robots NOT because ____________. A. they will replace people B. they can work a long time C. they won't complain D. they do not go on strikes 【答案】 （1）A （2）C

（3）C （4）A

【解析】【分析】大意：文章主要讨论了2050年的生活。

（1）细节理解题。根据第二段TV channels will disappear in 2050. 可知，2050年电视频道会消失。故选A。

（2）细节理解题。根据第三段 Need for water will increase ten times between now .可知，用水量会增加十倍。故选C。

（3）推理判断题。根据第四段 Today, many cars have computers that tell drivers exactly where they are. 可知，现在的汽车就会告诉主人他们准确的位置，不需要等到2050年。故选C。

（4）细节理解题。根据最后一段 Big companies prefer robots because they do not ask for pay rises or go on strikes, and they work 24 hours a day.可知，大公司更喜欢机器人是因为他们不会要求涨工资、罢工，并且它们可以一天工作24个小时，而不是因为他们可以取代人类。故选A。

【点评】考查阅读理解，首先快速浏览、分析问题，抓住关键词；其次带着问题通读全文，了解文章大意，找到依据，确定答案；最后再检查一遍，确保答案正确。

13．阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。

I believe you all have seen Marvel movies before. But do you know who created those superheroes? It's Stan Lee, the father of Marvel. People of all ages love him.

Stan Lee was born in America in 1922. His real name is Stanley Lieber but his pen name is much more famous. With the help of his uncle, Lee became an assistant* in Marvel in 1939. During that time, he was paid only 8 dollars a month. In 1941, his first work Captain America came out and later he became the main comic book writer and editor. He created more than 80% of Marvel's characters, such as Iron Man and Spiderman, so he became as well-known as those characters. Lee carefully designed the Marvel world so that we can see most of the superheroes in it together. And e even became a character in his stories and played a role of his comic book heroes. The following is what he once said, \comic book writer while other people were doing great things. But then I began to realize that entertainment is one of the most important things in people's lives. I feel that if you are able to entertain, you are doing a good thing. Without it, they might go off the deep end.\ Lee died in 2018 at the age of 95. Though he has left, his superheroes will keep living on. （1）Stan Lee started to work in Marvel in ________.