Unit 1单元话题完形填空练习-2023-2024学年高二英语选择性必修第一册单元重难点易错题精练（人教版2019）

学科网 学网需创，让学司更容易！ JP.ZXXK.COM 学科网精品频道全力推荐 Unit 1 People of achievement 单元话题完形填空练习 (2023春.江苏南通·高二校考阶段练习)Praise for Pioneers in Science In memory of Marie Curie on her birthday on Saturday,the official website of the Nobel Prize posted a photograph of her notebook saying."Marie Curie died of aplastic anaemia (再生障碍性贫血)on4 July 1934,a result of years of exposure to radiation through her work. Even today her laboratory notebook from 1899-1902,is 1 and will be for 1.500 years." The tales of Marie and other scientists of her time are in some sense very_2 Wilhelm Conrad Roentgen discovered X-ray in 1895.A year later,Antoine Henri Becquerel found that some natural substances_3 rays,too.Later,Marie and her physicist husband,Pierre Curie,gave it a(n)_4,radioactivity. However,the5 effects of radioactivity were not discovered until decades later. Marie and her6 scientists dealt with radioactive substances for decades using little or no protection.Marie's death is a reminder about the risks pioneers in science7 It was only after people handling radioactive substances began to get similar8 that medical experts asked people to use protection.Today,medical health workers and patients wear heavy protective9 during X-rays. It is almost _10 that those exploring new frontiers for science are exposing themselves to unknown dangers.There is a(n)_11 for better protection for the pioneers,but that is not possible until the dangers are fully known.For example,the space suits astronauts wear12 them against radiation.However,only13 will tell if there are some other unknown dangers. The contributions and sacrifices by such pioneers to the field of science are_14 and deserving of our respect.Because the pioneers not only _15new frontiers, but also help us better protect ourselves from unknown surroundings. 1.A.extraordinary B.radioactive C.protective D.creative 2.A.tragic B.inspirational C.romantic D.meaningful 3.A.blocked B.absorbed C.reflected D.emitted 4.A.privilege B.name C.notice D.identity