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1、成都市2020高考英语阅读理解二轮基础训练题（3）及答案成都市2020高考英语阅读理解二轮基础训练题（3）及答案阅读理解-CTired of all the pushing in supermarkets? Fed up with waiting in endless lines to pay for what you have bought? Angry at wasting time in traffic jams only to find no parking spaces when you eventually arrive at the store? If this is you,
2、then online shopping is the answer to your dreams of trouble-free shopping. Or is it?Online shopping brings its own challenges. Here are a few things to bear in mind when browsing (浏览) various websites. The claim made by online sites is that shopping online is a safe and secure way to make purchases
3、. The evidence challenges this. In any case, you only have to be the victim of fraud (诈骗) once to experience all the problems that come with this form of stealing. Use only sites that have a trusted history and an excellent reputation.Another problem is the appearance of items in reality is often qu
4、ite different from what you see on your computer screen. This might not be a problem if you are buying washing up powder but could be a major disappointment when that beautiful blue dress you ordered turns up in green. Also, product descriptions are sometimes simply untrue. Perhaps the wisest plan i
5、s to purchase items where design and color are not essential to customer satisfaction.Some even argue that online shopping indirectly contributes to global warming. Yes, your car can stay parked but how are online goods delivered? Often by some large vans pouring out carbon monoxide and adding to ou
6、r already desperate traffic problems. You are also by now becoming increasingly irritated (使烦恼) by the fact that the delivery is late and you have wasted the leave from work you have taken to receive it!Without question, online shopping is here to stay and it has its benefits. However, perhaps it is
7、 not as wonderful as some of its supporters claim it to be.36. The author lists several questions in Para. 1 to .A. support online shopping B. collect answers from readersC. show his dislike of going shopping D. introduce the topic of the passage【答案】D【解析】推理判断题。根据用这些问题导入本段的主题，故选D。37. By what can onli
8、ne shoppers avoid fraud?A. Using only trusted websites. B. Choosing big websites.C. Collecting shopping evidence.D. Seeking advice from the police.【答案】A【解析】细节理解题。根据第二段的句子：Use only sites that have a trusted history and an excellent reputation(名声).可知是使用值得信任的网站。故选A。38. What can we learn about online sh
9、opping from Para. 3?A. Its normal for a blue dress to change into green.B. We shouldnt believe product descriptions easily.C. Its usually wise for us to buy colorful products.D. Product appearances are sometimes not good.【答案】B 【解析】细节理解题。根据Another problem is that the appearance of items in reality is
10、 often quite different from what you see on your computer screen.可知不要相信产品描述。选B。39. The author agrees with the fact that _.A. customers are never satisfied with productsB. online shopping is a safe way to make purchasesC. online shopping has nothing to do with global warmingD. delivery delay often ma
11、kes online shoppers unhappy【答案】D【解析】细节理解题。根据You are also by now becoming increasingly irritated(使烦恼) by the fact that the delivery is late !可知是顾客对送货迟了是很生气的。故选D。40. What is the authors attitude towards online shopping?A. Very popular. B. A wise choice. C. Not trouble free. D. A waste of time.【答案】C【解析
12、】细节理解题。根据从最后一段可知网购是一个选C较难题目特训：科普知识类-18Plants are flowering faster than scientists predicted (预测) in reaction to climate change, which could have long damaging effects on food chains and ecosystems. Global warming is having a great effect on hundreds of plant and animal species around the world, chan
13、ging some living patterns, scientists say. Increased carbon dioxide (CO2) in the air from burning coal and oil can have an effect on how plants produce oxygen, while higher temperatures and changeable rainfall patterns can change their patterns of growth. “Predicting speciesreaction to climate chang
14、e is a major challenge in ecology, ” said the researchers of several U. S. universities. They said plants had been the key object of study because their reaction to climate change could have an effect on food chains and ecosystem services. The study, published on the Nature website, uses the finding
15、s from plant life cycle studies and experiments across four continents and 1, 634 species. It found that some experiments had underestimated (低估) the speed of flowering by 8. 5 times and leafing by 4 times. “Across all species, the experiments under- predicted the speed of the advancefor both leafin
16、g and floweringthat results from temperature increases, ”the study said. The design of future experiments may need to be improved to better predict how plants will react to climate change, it said. Plants are necessary for life on the Earth. They are the base of the food chain, using photosynthesis (光合作用) to produce sugar from carbon
