Complete the notes below using NO MORE THAN TWO WORDS from the passage.Write yo

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问题 Complete the notes below using NO MORE THAN TWO WORDS from the passage.
Write your answers in boxes 7-13 on your answer sheet.
Education:
Having accumulated a great fortune in his business, Nobel’s father determined to give his son the best education and sent him abroad to be trained in【R1】______.
During Nobel’s study in Paris, he worked in a private laboratory, where he came in contact with a young engineer【R2】______and his invention nitroglycerine, a more powerful explosive than【R3】______.
Benefits in construction works:
Nobel became really interested in this new explosive and experimented on it. But nitroglycerine was too dangerous and was banned for experiments within the city of【R4】______. So Nobel had to move his experiments to a lake. To make nitroglycerine easily usable, Nobel invented dynamite along with【R5】______while in the meantime【R6】______became popular, all of which dramatically lowered the【R7】______of construction works. [br] 【R5】

选项

答案 detonator

解析 利用细节信息“dynamite”和顺序性原则定位于原文第四段倒数第四行“To beable to detonate the dynamite rods he also invented a detonator(blasting cap)whichcould be ignited by lighting a fuse.These inventions were made at the same time asthe pneumatic drill came into general use”。题目信息“along with”对应原文“alsoinvented”,“in the meantime”对应原文“at the same time”,“became popular”对应原文“came into general use”。所以正确答案分别为detonator和pneumaticdrill。
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