第三部分:英语知识运用(共两节，满分45分)
第一节:完形填空(共20小题
We all like a sweet treat. But sugar can be too much of a good thing. That's why a lot of 41 ,such as bread and cakes, contain artificial (人工的) sweeteners. The first one was actually a tasty 42.
In the late 1870s, Constantin Fahlberg was 43 at work in his lab when a beaker(烧杯)of chemicals 44 tipped over. He cleared away the mess but the 45 chemicals spilled all over his 46 .Without hesitating to wash,Fahlberg went on with his work. When he went home to 47,the chemical remains was 48 on his fingers. Sitting down at the table with his 49 hands, Fahlberg began his meal. When the chemist 50into a piece of bread he'd picked up, it tasted strangely 51 . It wasn't the bread. It was something on his hands that got onto the bread. But 52 ?
Fahlberg rushed back to work. He tasted everything in 53 , but they exactly the chemicals in the lab. Eventually, the chemist 54 what he was looking for: The matter in the beaker that had spilled was sweet-much sweeter than sugar. He 55 his discovery saccharin (糖精), the first artificial sweetener. Dirty? Delicious!
If this 56 shows us anything, it's that we all make mistakes, and that's not 57 . Mistakes often take us in new 58 and help us invent new things. People who say something is impossible aren't always right. A lot of things were "impossible" before someone 59 how to do them.
If you don't 60 right away, don't be afraid to try again and again.
41. A. foods B. drinks C.plants D. things
42. A. dish B.candy C.bread D.surprise
43. A. Rood B.careless C. hard D.absent
44. A.automatically B. accidentally C. naturally D. gradually
45.A.dangerous B.poisonous C. harmless D. useless
46. A.hands B.arms C. legs D. feet
47. A.rest B. eat C. work D. sleep
48. A.ever B.still C. always D. possibly
49. A.big B.still C. dirty D. rough
50. A.bit B.put C.dipped D.broke
51. A.bitter B.delicious C. sweet D.wonderful
52. A.what B.how C. why D.where
53. A.time B. place C. order D.sight
54. A.realized B. knew C. understood D.thought
55. A.made B. named C. showed D.gave
56. A.chemist B. experiment C. discovery D.question
57. A.good B. true C. wrong D.bad
58. A.feeling B. directions C. problems D.attitudes
59. A.looked into B.made up C.tried on D.figured out
60. A.succeed B.win C.achieve D. start
注意:将答案写在答题卡上。写在本试卷上无效。
