必修5Unit 1-3 单词拼写.doc

Unit 1 单词拼写 1. Who used peas to show how physical characteristics （特征，特性）are passed from parents to their children? 2. Who discovered radium（镭）? 3. Who was the painter （画家，油漆匠）that studied dead bodies to improve his painting of people? 4. Do you know how to prove a new idea in scientific （科学的）research? 5. John Snow was a famous doctor –so expert(熟练的), indeed, that he attended(照顾) Queen Victoria as her personal physician(医生). 6. He became inspired when he thought about helping ordinary people exposed(暴露) to cholera. 7. Neither its cause nor its cure(治愈，治疗) was understood. 8. John Snow wanted to face the challenge(挑战) and solve this problem. 9. A cloud of dangerous gas floated around until it found its victims(受害者). 10. The second suggested that people absorbed(吸收) this disease into their bodies. 11. John Snow suspected(怀疑) that the second theory was correct but he needed evidence. 12. He was ready to begin his enquiry(询问). 13. As the disease spread quickly through poor neighbourhoods(附近，邻近), he began to gather information. 14. The cholera outbreak was so severe(严重的，剧烈的) that more than 500 people died. 15. Many of the deaths were near the water pump(泵，抽水机) in Broad Street. 16.He hadn’t foreseen(预见，预知) this, so he made further investigations. 17.It seemed that the water was to blame(责备). 18.He found that it came from the river polluted(污染) by the dirty river. 19.He told the people to remove the handle(柄，把手) from the pump. 20.He found supporting evidence that were linked(连接) to the outbreak. 21.John Snow was able to announce(宣布，通告) that the water carried the germs. 22.The water companies were instructed(命令) not to expose people to polluted water. 23.Only if you put the sun there did the movements(运动，移动) of the other planets in the sky make sense. 24.Some planets in the sky seemed to stop, move backward(向后，朝后) and then go forward in a loop. 25.The earth was spinning(旋转) as it went round the sun. 26.His friends were enthusiastic(热情的) and encouraged him to publish his ide