Unit 1 第2课时 Using language（备作业）-【上好课】高二英语同步备课系列（外研版2019选择性必修第一册）

选择性必修第一册练习 Unit 1 Laugh out loud! Using language 1、 单句语法填空 （一） 1.And astronomers have found that oxygen atoms and carbon dioxide, ________ are fundamental to life, exist in its atmosphere through satellites. 2.Vancouver's appeal consists of comfort and security, making it what Andy Yan calls a "hedge city", ________ feature is social and political stability. 3.The man, ________ gave us a talk on science yesterday， is a famous scientist. 4.Yesterday he left for America, ________ he had visited twice before. 5.The Fifth World Internet Conference (世界互联网大会), ________ began on November 7, was very successful. 6.He is now reading a book about a scientist, ________ he dreams to be. 7.He wrote many books, two of________ have been published so far. 8.More than one boy is fond of playing football, ________ is of benefit to their physical and mental health. 9.We will put off the picnic until next week, ________ the weather may be better. 10.He did not study har