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10．Sometimes the greatest things are invented by mistake．The greatest mistake of all time could be those delicious snacks in your corner drugstore．
One day，a woman was making chocolate cookies．When she ran out of chocolate powder（粉），she took out a chocolate bar and broke it into little pieces．She added the pieces to her cookie dough（面團）and baked（烘培）it．She thought that the chocolate would（1）meltin the oven and make chocolate cookies．Far from melting，the pieces of chocolate stayed hard．When she took them out of the oven，she had chocolate chip cookies!
Another accidental invention was made by Frank Epperson，an eleven-year-old
boy．In 1905，Frank sat outside on a winter evening，mixing up a big jug（罐子）of powdered soda pop．Frank accidentally left the jug out during the night．When he went outside the next morning，he found the mixture in the jug frozen（凍僵）with the mixing stick stuck in the middle．Frank pulled out the frozen pop and tasted it．It was delicious!Frank started selling Epperson Icicles for 5cents each．He later changed the name to （2）Popsicles．
So，the next time you drop your hamburger into your ice cream or your cooked potatoes into your chicken soup，don't worry!Some of the most delicious foods in the world were invented that way!

任務一請根據短文，猜測劃線單詞（1）melt的意思．將答案的字母代號填寫在橫線上
A．change into water B．change into iceA
任務二請根據短文內容，完成chocolate chip cookies 的制作過程．
（1）Take out a chocolate bar andbreak it into little pieces
（2）Then addthe pieces to the cookie dough
（3）Finally bake it．took them out of the oven
任務三請列舉文中與（2）Popsicles 同義的另外兩個表述．frozen pop；Epperson Icicles
任務四請從文章中找出能夠概括本文主旨大意的一個句子Sometimes the greatest things are invented by mistake．．

分析文章大意：本文主要介紹了有些東西是由于錯誤而被發明出來的．列舉了巧克力餅干和冰棒的由來．也許下次你把漢堡包放到冰激凌里或者把熟的土豆放在雞湯里會有美味的食物被發明出來．

解答任務一：A．根據She thought that the chocolate would meltin the oven她認為巧克力會融化在烤爐里．A化為水．B化為冰．根據實際及語境可知，答案是A．
任務二：（1）．break it into little pieces．（2）．the pieces to the cookie dough．（3）took them out of the oven．根據she took out a chocolate bar and broke it into little pieces．She added the pieces to her cookie dough（面團）and baked（烘培）it．及When she took them out of the oven．可知，第一步是"把巧克力打碎成小碎片"．第二步是"添加餅干面團碎塊"．第三部"烘烤它，然后從烤爐里取出來"．
任務三：frozen pop； Epperson Icicles．根據所給單詞Popsicles冰棍、棒冰．可知，同義詞可以是第三段的frozen pop"冷凍冰棒"和Epperson Icicles"埃帕森冰柱"．
任務四：Sometimes the greatest things are invented by mistake．有時，最偉大的東西是由于錯誤發明出來的．文章主旨通常位于句首或句尾．結合語境可知，答案是Sometimes the greatest things are invented by mistake．

點評閱讀題型，要注重句子與句子之間、段落與段落之間邏輯關系以及對篇章的整體理解．根據要求，結合語境，寫出答案．

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