U13 Many _____ 1(hear) of _____2（shark）fin soup. This _____ 3(fame) and expensive dish _____4 (be) 5(especial) popular in 6 (south) China. But do you realize that you _____ 7(kill) a whole shark each time you enjoy a bowl of 8(shark) fin soup When people catch_____ 9(shark), they cut o their _____ 10(fin) and throw the shark back into the ocean. This _____ 11(be) not only cruel, but also 12_____(harm) to the _____ 13(environmental). 14 (with) a fin, a shark can no _____ 15(long) swim and _____ 16(slow) _____ 17(die). _____ 18（shark） are at the top of the food chain in the 19 (ocean) ecosystem. If ___ 20（they）___21(number) drop too low, it _____22( bring ) ____ 23（dangerous）to all ocean life. Many believe that ____24( shark) can ____ 25(ever) be ____26(endanger) because they are 27 (strong) in ___ 28（them） food chain. But in fact, around 70 29( million) sharks 30 (catch) and _ __31( trade) in this industry every year. The numbers of some ___ 32（kind) of sharks _____ 33（fall） by over 90 percent in the last 20 to 30___ 34（year）. __ _ 35(environment) 36(protect)__ __37 （group） around the world, such as WildAid and the WWF, __ ___ 38（teach） the public about “ 39(fin)”. They have even ___ __ 40（ask） governments 41(develop) laws ___ 42（stop） the __ ___ 43（sell）of shark’s fins. So far, no 44(science)__ _ 45 (study)_ __ 46（show） that shark’s fins __ __ 47（be） ___ _ 48（well） for __ 49(healthy), so why eat_____50（they） Help save the sharks! U12 In May 2001, I 1（find） a job in New York at the World _____2(trade)Center. On September 11, 2001, I 3（arrive） at my _____ 4 (build) at around 8:30 a.m. I _____5(be)about 6（go）up when I_____7（decide) ___ 8(get) a co ee _____9（one）. I _____10(go) to my favorite co ee place even though it_____11 (be) two _____12(block) east from my o ce. As I _____13 (wait) in line with other o ce_____14(worker) , I 15 （hear）a loud sound. Before I _____16(can) join the _____17（other）outside _____18（see） what _____19（go）on, the 20 (one) plane had already_____21（hit） my o ce _____22（build）. We _____23(stare) in _____24(belief) at the black smoke _____25（rise）above the 26 (burn) building. I 27 (feel) _____28(luck) _____ 29(be） 30(live). Almost 10 years _____31(late), I _____32（wake）up at 10:00 a.m. on February 21, 2011 and _____33（realize）that my alarm _____34（have） _____35（ever）_____36（go） o . I _____37（jump）out of bed and _____38（go） straight to the airport. But by the time I got to the airport, my plane to New Zealand _____39（have）already _____40(take) o . “This is the _____41（one）holiday I _____42（take） in a year, and now I _____43(miss) my plane. What bad luck!” I _____44（think） to _ 45(I). The _____46（others ） _____47（plane） _____48(be) full so I _____49（have） 50(wait) till the next day. The next morning, I 51 (hear) about the earthquake in New Zealand the day before. __ 52 （I）bad 53（lucky）had 54(expected) _____ 55（turn）into a good thing. ... ...
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