Unit 3 适应性训练卷 (本试卷满分为120分，考试用时为90分钟) 一 、听说应用(本大题共30小题，每小题1分，共30分；A、B、C、D 部分为听力理解，E 部分为情景对话)(见《听说应用》) 二、语法选择(本大题共10小题，每小题1分，共10分) In September 1928,Fleming left some glass dishes on a chair in his lab for two weeks. 31 he came back,he noticed something unexpected.Bacteria ( 细 菌 ) were growing on all the glass dishes but one.On this dish 32 mould(霉菌) — the kind we can find on old bread.The mould 33 to give off something.It can stop the bacteria from growing.Fleming called it“mould juice”.He tried it on other bacteria,and it killed 34 too.Fleming was as 35 as a kid and named it penicillin.He also wrote about it so other scientists could learn about it.However,no one seemed interested 36 his discovery.He forgot about penicillin and started to work on other things. In 1939,Ernest Chain,a scientist,and his boss( 老 板 ) ,Howard Florey,were looking for medicines that 37 kill bacteria.They discovered Fleming's notes and decided 38 penicillin.In 1940,they gave penicillin to some sick mice. 39 mice became healthy later.But the other mice died because they didn't get it.Florey said,"It looks like a magic!”By 1943,scientists did the final tests on humans 40 .And the world had its first antibiotic(抗生素)medicine. ( )31.A.Although B.When C.If ( )32.A.there was B.it was C.they were ( )33.A.seems B.seemed C.has seemed ( )34.A.they B.them C.their ( )35.A.happy B.happier C.happiest ( )36.A.in B.with C.at ( )37.A.could B.must C.need ( )38.A.testing B.to test C.test ( )39.A.The B.An C.A ( )40.A.success B.successful C.successfully 三、完形填空(本大题共10小题，每小题1分，共10分) From a young age,Leo loved learning how things worked.When other kids played with toys,he liked opening them to see the small parts inside to satisfy his 41 ” One day,Leo's school planned to hold a science 42 .Since it was his favourite thing,he was really excited.He remembered watering the garden was a(n) 43 for his grandmother because her feet always hurt.“What ifI could invent a 44 machine to water plants by itself ” he thought.He spent hours reading online,and then drew pictures and collected things.But his first try failed.The machine didn’t work,and the whole thing stopped.Leo was sad but he didn’t 45 .He started again. Over the next few weeks,Leo worked very hard.He woke up 46 than usual to spend more time on the machine.Finally,after 47 many times,Leo finished his machine.He 48 a moisture sensor (湿度传感器)to check if the soil was dry and another part to rule the water.Although it was simple,it worked well,and more importantly,it 49 his grandmother's problem! At the science fair,Leo won the first prize.He 50 accepted the prize.But for him,the best part of the science fair was that he had created something helpful. ( )41.A.curiosity B.suggestion C.agreement D.view ( )42.A.block B.fair C.grade D.lane ( )43.A.trouble B.chance C.article D.mistake ( )44.A.national B.serious C.folk D.smart ( ... ...
~~ 您好，已阅读到文档的结尾了 ~~
