【英语】英语英语八年级英语上册阅读理解(有难度)（word）1一、八年级英语上册阅读理解专项练习（含答案解析）1阅读理解 All over the world the need for laptops and smartphones increases each year. Networks have been part of our life. Probably everyone with a portable device（移动设备） has once logged on to a public Wi-Fi network without paying for it, while they are having a coffee, on a train, in a shopping mall or at a hotel. However, is this kind of public Wi-Fi network safe? Some networks are better protected than others because encryption （加密） methods are used. Therefore, they are safer than others. But a survey in 2015 showed that more than 950 million records were not protected, including addresses, emails, birth dates, phone numbers, passwords and so on. These open Wi-Fi networks are really not safe, because it is very easy for hackers （黑客） to break into the operating system and get peoples private information. Most smartphones and laptops, by themselves, search and connect to Wi-Fi networks. They usually prefer a network with a connection that has been used before. Hackers devices are able to record these searches and look like the trusted Wi-Fi networks. When these smartphones and laptops log on to the networks which are not real, hackers can easily steal their private information. So next time, when we want to use our laptops or our smartphones in public places which offer free Wi-Fi networks, please think it twice on take safe measures before using them.（1）Why do people like to log on to a public Wi-Fi network? A.It can provide useful information.B.The owner of the network is polite.C.It is free.D.It is safe.（2）We can learn from the passage that _. A.not all the public Wi-Fi networks are safeB.none of the public Wi-Fi networks is safeC.in 2015 more than 950 million records were protectedD.there is no way to protect our private（3）Hackers would probably get the following EXCEPT _ when we connect our laptops or smartphones to a public Wi-Fi network. A.our birth datesB.our passwordsC.our phone numbersD.our smartphones（4）Which of the following can be the best title for this passage? A.Dont use public Wi-Fi networksB.Why are the public Wi-Fi networks a possible danger?C.We neednt protect our private informationD.Why do hackers break into the operating system?【答案】 （1）C（2）A（3）D（4）B 【解析】【分析】文章大意：网络是我们生活的一部分。人们会登录公共Wi-Fi网络，但是，这种公共Wi-Fi网络安全吗？有些公共网络是安全的，有些是不安全的，所以下次，当我们想在提供免费Wi-Fi网络的公共场所使用我们的笔记本电脑或智能手机时，请仔细考虑在使用之前采取安全措施。 （1）细节理解题，根据 Probably everyone with a portable device（移动设备） has once logged on to a public Wi-Fi network without paying for it,可知，人们之所以选择公共wifi是因为公共wifi是免费的的，故答案是C。 （2）细节理解题，根据第二段的叙述可知，有些公共wifi是安全的的，有些是不安全的，所以并不都是安全的，故答案是A。 （3）细节理解题，根据 because it is very easy for hackers （黑客） to break into the operating system and get peoples private information.可知黑客获取的是私人信息，而不是物品，所以不包括我们的手机，故答案是D。 （4）标题判断题题，文章主要讲述了公用wifi的安全性，故答案是B。 【点评】考查阅读理解。本文涉及细节理解题。细节理解题要可以直接从文中寻找答案。2阅读理解 The sun is always shining（照射）. But it can only shine on one side（一边） of the earth（地球） at one time. When the sun is shining on one side of the earth, it is night on the other side. At night, you can see the stars. The stars are in the sky（天空） all day. But the light（光） from the sun is so bright（明亮的） that you cant see them. When night comes, there is no light, and the stars are bright enough to see. The stars look very small. But some of them are even bigger than the sun. They look small because they are so far away from you. Big things look much smaller when they are far away. The sun is closer to the earth than other stars, so it looks bigger.（1）When it is night, the sun _. A.doesnt shineB.shines for a short timeC.disappears （消失）D.shines on the other side of the earth（2）We cant see the stars in the sky at daytime because _. A.there are no stars thereB.the stars are much smaller than the sunC.the bright light from the sun makes them not seen（被看见）D.the stars come out only at night（3）The stars look small because _. A.they are far awayB.they are smallC.they have no lightD.they are in the sky【答案】 （1）D（2）C（3）A 【解析】【分析】文章大意：本文主要介绍白天和黑夜的形成和只有夜晚才能看见星星及它们看上去那么小的原因。 （1）细节理解题。由第一段最后句When the sun is shining on one side of the earth, it is night on the other side.可知在夜晚时太阳照到地球的另一面，故选D。 （2）细节理解题。由第二段第二句 The stars are in the sky（天空） all day. But the light（光） from the sun is so bright（明亮的） that you cant see them. 可知在白天不能看到星星是由于太阳光太明亮，故选C。 （3）细节理解题。由第二段The stars look very small. But some of them are even bigger than the sun. They look small because they are so far away from you.可知它们看上去很小是因为它们离我们很遥远，故选A。 【点评】考查阅读理解，做题时结合原文和题目有针对性找出相关语句进行仔细分析，结合选项选出正确答案。推理判断也是要在抓住关键句