课时分层作业2 突破语法大冲关-2021-2022学年新教材高中英语选择性必修第二册【名师导航】同步Word练习(人教版)

课时分层作业(二) Ⅰ.单句语法填空 1．Give the bottle a couple of shakes before pouring(pour) the juice. 2．We are determined to defend (defend) our motherland at all costs. 3．Klan called his assistant (assist)，Hasher，to take over his duties while he went out. 4．Early astronomers (astronomer) thought that our planet was the centre of the universe. 5．He stopped，shifting (shift) his cane to his left hand. 6．He came down with illness last night and is still under emergency treatment. 7．Someone must be put in charge of writing down all the ideas. 8．Fires broke out everywhere，the entire city went up in flames. 9．The characters in the book are vividly (vivid) presented. 10．I was disappointed whenever the cook found fault with me. Ⅱ.完形填空 Do you think you have what it takes to be a successful scientist？A successful scientist is generally a good observer.He makes full 1 of the facts he observes.He doesn't accept ideas which are not based on obvious facts，and therefore 2 to accept authority as the only reason for truth.He always checks ideas 3 and makes experiments to prove them. The rise of modern science may perhaps be considered to 4 as far back as the time of Roger Bacon，the wonderful philosopher of Oxford，who lived between the years 1214 and 1292.He was probably the first in the Middle Ages to 5 that we should learn science by observing and experimenting on the things around us，and he himself 6 many important truths. Galileo(1564－1642)，however，who lived more than 300 years later，was the greatest of several great men in Italy，France，Germany，and England， 7 began to show how many important truths could be discovered by observation by degrees.Before Galileo，learned men believed that large bodies fell more 8 towards the earth than small ones， 9 Aristotle said so.But Galileo，going to the top of the Leaning Tower of Pisa，let fall two 10 stones and proved Aristotle was wrong.It is Galileo's 11 of going direct to nature，and proving our opinions and