UNIT 10 Period Ⅱ　Lesson 2（课时作业）-【优化探究】2021-2022学年新教材高中英语选择性必修第四册同步导学案（北师大版）

Ⅰ.单词拼写 1．A bond (纽带) of friendship had been formed between them. 2．Every city has a closely­knit (紧密连接在一起的) telephone network. 3．Most households (一家人) now own at least one car. 4．As they approached the outskirts (市郊，郊区) of the city, Ella's mood visibly lightened. 5．The players had to change their daily routine and lifestyle (生活方式). Ⅱ.单句语法填空 1．If your child shows any signs of illness (ill), take him/her to the doctor. 2．Social customs provide a vital link between generations (generation). 3．By this time she was in her nineties and needed help more and more frequently (frequent)． 4．This decision could have serious consequences (consequent) for the industry. 5．Additionally (additional), they should be allowed to teach, and be rewarded for doing it well. Ⅲ.完成句子 1．Jules Verne, who was best known for his adventure stories, is often called the “Father of Science Fiction”． 以冒险故事著称的儒勒·凡尔纳常被称为“科幻小说之父”。 2．Lined up against the wall, there were long thin wires attached to metal spheres. 靠墙排列着一排细长的电线，电线连着金属球。 3．When it is convenient for you, could you help me correct the mistakes in the composition? 在你方便的时候，你能帮我改正作文里的错误吗？ 4．Even if you fail, you will have gained experience. 纵然失败，你也会得到经验。 5．It's great to know that someone famous will be reading my story! 知道有名人将会读我的故事，真是太棒了！ Ⅳ.阅读理解 It is quite apparent that competition surrounds every aspect of human life whether in the United States or the Amazon rainforest. Without it we would not have grown into primates (灵长类动物). Or we would probably still be struggling to sharpen a bronze tool while crawling around on four legs in search of meat. Without competition, Columbus wouldn't have discovered America and Edison would never have invented the light bulb. Friendship, like all relationships between two people, involves competition. It isn't competition in a traditional sense because there are no goals to be scored and no prize. Perhaps the ecological definition—the simultaneous (同时) demand by two or more organisms for limited envir