1-5 BACDA 6-10BDCAD 11-15 CACDB 16-20 CCDAB 21-25 CBCAB 26-30 BEFDC 31.a 32.most famous 33.was written 34.with 35.ideas 36.lives 37.how 38.his 39.to put 40.people's 41.A huge iceberg blocked their way./A huge iceberg. 42.Because the ice was too thick and hard./Because of the thick and hard ice. 43.They dug a tunnel through the ice. 44.It took them five days./d.. 45.Never give up when facing difficulties.(开放性) 46.①coach/,teacher②required/asked/expLaed/sunnosed③die④harmful ⑤purposes development⑦activities⑧reducing⑨lessons/classes/talks/,speec(⑩interests/interest
