【正文】 求同桌之間交換修改作文，請你修改你同桌的以下作文。re off on your own. It39。選項(xiàng)中有兩項(xiàng)為多余選項(xiàng)。 named 2nd Place in Beijing, you can even buy fresh coffee with Bitcoins. So what makes Bitcoin so attractive to investors? First of all, the Bitcoin system is not controlled by anyone. One central authority cannot make policies to change the value of Bitcoins. The fixed amount of Bitcoins also means they cannot lose value through inflation(通貨膨脹 ), as all forms of paper money have done over time. In addition, accounts in the Bitcoin system are anonymous and transparent. Users can set up an account easily and track every Bitcoin. All of these features seem to make Bitcoins immune(有免疫力的 ) from loss, but that is not entirely true. “ The value of Bitcoins can vary wildly as no central government makes the price of them steady. If the value drops suddenly, investors cannot get any pensation(賠償 ),” Zhao Qingming, a senior researcher at China Construction Bank, told China Economic Weekly. And Bitcoins, unlike pany shares, are not backed by any tangible funds, which also adds to their risk. While China will not recognize the digital currency anytime soon, Xinhua said, lawmakers and officials at a hearing on Nov. 18 in the US made positive ments about Bitcoin. Ben Bernanke, outgoing chairman of the Federal Reserve, told the Washington Post that “ these types of creations, such as Bitcoin? may hold longterm promise, particularly if its system promote a faster, more secure and more efficient payment system.” 44. Bitcoin is ______. A. actually exactly like Coins B. only used online C. a new currency used both online and in real life D a country’ s new digital currency. 45. We can use Bitcoin to buy the following things except ______. A. online goods B. goods at 134 online shops on Taobao C. books in physical shops D. coffee at a caf233。 Fax 。 What I noticed first about my new parrot, Chico, was that he couldn’t fly. His wings had been cut short and he was stuck on the 16 just like us humans. When the weather turned nice, I took Chico outside. I sat him on a branch of a tree, hoping to make him 17 . At first he seemed 18 . He walked back and forth on the branch looking anxious or nervous. He didn’t even flap his wings in an attempt to fly. Somehow he knew he was 19 . One day Chico got especially excited . He paced back and forth and made an incredible amount of 20 . Then all of a sudden he stopped and let out an even louder scream. He started 21 flapping his wings for the first time ever － then he lifted off the 22 like a space shuttle! I was amazed and 23 . Little did I know his feathers had been growing back, and Chico had been 24 until the moment was ripe for escape! Two days later Chico 25 . First I tried to trick him back with food, but he would not e near me. Then I took his 26 and put it away— still he would not e. Finally, I made him a firm promise that I would let him 27 every day the weather was nice if he did e back. 28 , he flew onto my shoulder. From that day on, whenever the weather was good I would let him out early and he would fly around and be back before dark. The 29 lasted for two months before suddenly Chico became 30 . The vet said that he had been infected with a disease from the pigeons in the neighborhood. Within a few days he died. I was very sad. The 31 crossed my mind that if I had not set him free to fly, he would be still alive. But what 32 is there in being a bird if you can’t fly? Chico made his first break for 33 on a late Monday afternoon in April. When will you make yours? You too can take a 34 when the conditions are right, knowing you too, in your own way, were built to fly. If you don’t 35 , what will be the purpose of your life? 16. A. floor B. earth C. scene D. road 17. A. smarter B. healthier C. happier D. stronger 18. A. disappointed B. determined C. frightened D. confused 19. A. incapable B. disabled C. wrong D. stupid 20. A. noise B. progress C. energy D. consideration 21. A. slowly B. gently C. madly D. gracefully 22. A. ground B. tree C. cage D. branch 23. A. moved B. shocked C. delighted D. excited 24. A. struggling B. pacing C. flying D. waiting 25. A. left B. returned C. survived D. recovered 26. A. cage B. feather C. chain D. food 27. A.