1、p2 to regard old problems from a new angle mark real advance in science draw a conclusion used to be one of the most feared diseases in the world An outbreak of cholera hit London. = Cholera broke out in London. in time rose to become a famous doctor attend to lose his desire to destroy cholera once
2、 and for all in general two contradictory theories subscribe to the second theory be determined to find out why Snow suspected that the water pump was to blame. move away from It seemed that= sb. seemed to do have it delivered to her house have the handle of the pump removed through the intervention
3、 be stopped in its tracks a link between and be much more likely to do through Snows tireless efforts see a substantial decrease approach a reading passage p7 have a great impact on Described by the authors of the Story of Qian Xuesen as a man with “great scientific thought and scientific spirit” wh
4、o was patriotic and served his homeland with effort, achievement, and devotion, Qian was an extremely well-respected man. switch his majors to aviation pursue his graduate studies conduct important research into overcome some difficulties receive a heros welcome be put in charge of not only but also
5、 discourage him from taking on the challenge When asked, under his leadership launch its first man-made satellite be traced back to earn the name of be familiar with (to) come down with a disease achieve fame point out besides being brilliant dream of what others are afraid to dream about admit his fault this odd combination of characteristics
