Vocabulary BreakthroughA组/sttIstIk/statistic/dekeId/decade/krp/crop/skjleIt/circulate/IkwIp/equip/fks/focusB组/strl/struggle/sjup/super/Ikspnd/expand/btl/battle/Ikspt/export/kment/commentA组disturb vdisturbing adj.引起烦恼的free adj.freedom n自由nation nnationality n国籍chemistry nchemical adj.化学的produce vproduction n生产mine nmineral n矿物；矿石discover vdiscovery n发现；发觉sum vsummary n摘要，总结B组fight vstruggle v同义词starvation nhunger n同义词job noccupation n同义词puzzle vconfuse v近义词import vexport v反义词C组vt.减少；减缩reducevt.浏览；略读skimvt.画底线标出；强调underlinen根源rootn营养nutritionn细菌bacteriavt.&n.遗憾regretn产量outputn谷物；粮食grainv使变大expand1背诵经典Thanks to the timely rain，the crops were saved.规范默写2背诵经典They reduce chemical fertilizers in their farming but use more organic fertilizers to keep the soil natural.规范默写3背诵经典The discovery of new evidence led to the problem being solved.规范默写4背诵经典Operation rooms should be kept free from bacteria of any kind.规范默写5背诵经典Now many countries focus on saving natural resources rather than destroying them.规范默写2