Unit 2 Great minds 单元测试-2020秋九年级上册英语辅导讲义（牛津深圳广州沈阳通用版）

Unit 2 Great minds 单元测试 – 学生版 一、语法选择（共1小题；每小题15分，满分15分）阅读下面短文，按照句子结构的语法性和上下文连贯的要求，从各题所给的A、B、C和D项中选出最佳选项． 1．（15分）Take a piece of hair from your head． Ouch! It may be long， （1）　 　 it's not wide． Three scientists spent over 30 years （2）　 　 a kind of machine． This kind of machine is about a thousand times （3）　 　 than the width of one piece of your hair． These machines are （4）　 　 small that they an only be seen under a microscope（显微镜）!They （5）　 　 nanomachines（纳米机器）． Because of their hard work． the three scientists （6）　 　 the 2016 Nobel Prize in Chemistry． They are all European． Sir J． Fraser Stoddart， one of the scientists， told reporters that he thanked （7）　 　 other scientists from 24 different countries for helping make this prize （8）　 　． He said he once brought a chocolate Nobel Prize to his daughter from （9）　 　 trip to Stockholm． He expected （10）　 　 a real one someday． What are nanomachines good for？ Scientists believe that （11）　 　 the future， nanomachines （12）　 　 help deliver（传送） medicines inside a person's body， or take away things that are making us sick． Mr Feringa compared （13）　 　 work to that of the Wright Brothers． When the Wright Brothers flew their airplane for the first time， some people questioned what airplanes （14）　 　 good for． Now airplanes help us （15）　 　 fast and we use them all the time． （1）A． and B． so C． but D． or （2）A． inventing B． invent C． to inventing D． invented （3）A． the smallest B． smaller C． small D． smallest （4）A． very B． so C． such D． quite （5）A． are calling B． is called C． called D． are called （6）A． will win B． won C． wins D． has won （7）A． hundreds of B． hundred of C． hundred D． hundreds （8）A． possibility B． possibly C． possible D． impossible （9）A． a B． an C． the D． / （10）A． have B． to have C． having D． to having （11）A． in B． for C． at D． on （12）A． should B． can C． must D． need （13）A． their B． them C． they D． theirs （14）A． is B． were C． was D