Unit 6 第4课时 (Section B 1a-1e)（分层作业）英语人教版九年级全一册

Unit 6 When was it invented? 第四课时(分层作业) 基础达标 一、根据句意填空。 1．Doctors say lemons are better for us even though they are （sour）than most fruits. 2．The soup you made yesterday was too s . We were all thirsty after drinking it. 3．It is said that potato chips were invented by m . 4．The （顾客）were angry because the potatoes were not thin. 5．I really don’t know with (谁) I should discuss the problem. 二、单项选择 6．I took his umbrella ________ for his is the same as mine. A．by mistakes B．by mistake C．by accidents D．by an accident 7．________the end, they found a supermarket________ the end of the road A．At; in B．In; at C．In; by D．By; at 8．My little sister isn't ________ to look after herself. A．young enough B．enough young C．old enough D．enough old 9．—Do you know ________ in ancient China? —I have no idea，but I know people once used tree bark (树皮) to make paper. A．how paper was made B．how was paper made C．what paper was made from D．what was paper made from 10．The man _________ is talking to our teacher is Betty’s father. A．which B．whom C．who D．what 能力提升 三、完形填空 In ancient times, the Four Great Inventions in China had a great influence on the whole world. In recent years, China once again has 11 its ability to change the world with its “four great new inventions”: high-speed railways, mobile payment, bike-sharing and online shopping. Do you know 12 the new inventions can appear in China? The “four great new inventions” are 13 related to China’s high-tech innovation (创新). For example, the operating mode of bike-sharing is based 14 the satellite navigation system (卫星导航系统), mobile payment, big data and other high technologies. This shows that China’s high-tech innovation has greatly 15 the quality of people’s lives. China has entered a new innovative era, thanks to the large amount of 16 that China has spent encouraging innovation. China is beginning to 17 in innovation in some ways.