课时作业1 Unit 4 INFORMATION TECHNOLOGY Topic talk & Lesson 1（Word练习）-【优化指导】2022-2023学年新教材高中英语必修第二册（北师大版2019）

课时作业(1)　A卷　基础巩固 Ⅰ．单句语法填空 1．As the car approached the town center，several tall buildings came into view. 2．Any help from you will be greatly appreciated.Please give me a reply at your convenience. 3．By tradition，in some countries，people can play tricks on each other before noon on April 1，but they’ll be foolish if they do it in the afternoon. 4．Whether it is in the past，at present，or in the future，time would not vary with the development of the world. 5．You see the lightning the instant it happens，but you hear the thunder later. 6．More and more Chinese people are concerned (concern)about wildlife conservation and environmental protection. 7．He was already looking forward to practising (practise)the new music. 8．He usually looks through newspapers on the sofa in the morning. 9．I don’t know what I should buy for Father’s Day. 10．It was such a hot day that nobody wanted to go out. Ⅱ．完成句子 1．Optimism has a positive effect on/upon people’s physical and mental health，of which I’m very convinced. 我确信乐观主义对人们的身心健康有积极的影响。 2．The doctor strongly recommended that he (should) take a holiday . 医生竭力劝他去休假。 3．He had to admit having made a serious mistake in public. 他不得不当众承认犯了一个严重的错误。 4．He left for various/a variety of reasons . 他由于种种原因离开了。 5．Our hometown has changed a lot，and now it is quite different from what it used to be a few years ago. 我们的家乡变化很大，它现在与数年前的样子完全不同。 6．When the football fans saw Beckham，they got so excited that they cried out. 当球迷们看到贝克汉姆的时候，他们如此激动以至于大喊大叫。 Ⅲ．阅读理解 (2022·全国乙卷)Can a small group of drones(无人机) guarantee the safety and reliability of railways and, at the same time, help railway operators save billions of euros each year? That is the very likely future of applying today's “eyes in the sky” technology to making sure that the millions of kilometres of rail tracks and infrastructure(基础设施) worldwide are safe for trains on a 24/7 basis. Drones are already being used to examine high­tension electrical lines. They could do prec