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B4U2 1．struggle vt. & vi.4．expand vt. & vi.expansion n．扩大；增加 5．circulate vt. & vi.circulation n．循环流通 8．equip vt. & vi.equipment n．设备(不可数) 9．export vt. & vi.import vt. & vi.输入；入口；进口 12．confuse vt.confusing adj.令人迷惑的→confused adj.感到迷惑的→confusion n．迷惑 13．regret vt. n．遗憾；懊悔→regretful adj.后悔的 16．reduce vt.reduction n．缩小；减少 1．struggle vt. n．斗争；挣扎 struggle with/against 与……搏斗/斗争 struggle for sth./to do sth. 努力/争取…… struggle through 奋力通过 struggle to one‘s feet 挣扎着站起来 struggle on/along (虽艰难仍)继续做某事 with a struggle 费劲地 [即学即练1](1)They had to _________ ______ their lives ______ weather and wild animals. 为了生存他们必须与天气和野兽抗争。(2)They had to _________ ____________ all kinds of difficulties. 他们得和各样的困难作斗争。(3)She _________ ______ ______ ______ ______ her attacker.她挣扎着想摆脱那个袭击她的人。 Struggle for againststruggle with / against//struggled to get away from (4)______ ______ ______ __________， the old woman gained control of her business.After a long struggle 2．expand vt.&vi. expansion n. 扩张；膨胀；扩大；发展 expansive adj. 扩张性的；开展性的；广阔的 expand into/to 使扩大，expand on/upon 阐述， | 
