Unit 1单元话题完形填空练习-2022-2023学年高二英语选择性必修第二册单元重难点易错题精练（人教版2019）

Unit 1 Science and Scientists 单元话题完形填空专项练习 (名校最新真题) （2021·广东·揭阳第一中学高二期中）Modern inventions have speeded up people’s lives amazingly. Motor cars ____1____ a hundred miles in more than an hour, aircraft cross the world within a day, while computers operate at lightning speed. Indeed, this love of ____2____ seems never-ending. Every year motor cars are produced which go even faster and each new computer boasts(吹嘘) of ____3____ precious seconds in handling tasks. All these save time, but at a cost. When we lose or ____4____ half a day in speeding across the world in an airplane, our bodies tell us so. We get the uncomfortable feeling known as jet-lag(时差). Our bodies feel that they have been ____5____ behind in another time zone. Again, spending too long at ____6____ results in painful wrists(手腕) and fingers. Mobile phones also have their dangers: too much use may transmit harmful ____7____ into our brains. However, how do we ____8____ the time we have saved? Certainly not relax, or so it seems. We are so used to constant activity that we find it ____9____ to sit down and do nothing or even just one thing at a  ____10____ . Perhaps the days are long gone when we might listen ____11____ to a story on the radio, letting imagination take us into another world. There was a time when some people’s lives were devoted simply to the cultivation(耕作) of the ____12____ or the care of cattle. No multi-tasking there; their lives went on at a much gentler pace. There is much that we might envy about a ____13____ of life like this. Yet before we do so, we must think of the hard tasks our ancestors ____14____ . Modern machines have ____15____ people from that primitive(原始的) existence. 1．A．explore B．get C．cover D．fly 2．A．speed B．time C．product D．distance 3．A．wasting B．losing C．saving D．spending 4．A．earn B．drop C．miss D．gain 5．A．left B．come C．forgotten D．felt 6．A．ships B．airplanes C．computers D．cars 7．A．prevention B．radiation C．combination D．damage 8．A．control B．handle C．do D．deal 9．A．unc