1．____________n．保证(人/物)2．____________n.饮食；食物3．____________vt.使能够4．____________adj.额外的；临时的5．____________vi.起作用6．____________vi.缺乏；不足7．____________adj.可利用的；可得到的8．____________adj.复杂的9．____________n.重量10．____________n.标准；水平11．____________n.谚语；格言12．____________n.证据13．____________vt./n.强调；着重14．____________n.心情；情绪15．____________n．营养→____________adj.营养的→____________n．营养学家→____________adj.有营养的16．____________n．多样(性)→____________adj.各种各样的→____________vi./vt.(使)变化，改变17．____________vt.使保持平衡→____________adj.平衡的18．____________adv.恰当地；正确地→____________adj.恰当的；适合的19．____________vi.提供；有助于……→____________n．贡献；捐助物20．____________n．集中注意力；专心→____________vi./vt.专心于；注意1．________________从……获得……2．________________使某人能做某事3．________________只要4．________________取决于……；依赖……5．________________有助于……6．________________某物不足；不够7．________________剪掉；删掉；放弃8．________________减肥9．________________增加体重10．________________(用……)代替……11．________________建议某人做某事12．________________一顿丰盛的早餐13．________________长达……14．________________________强调……的重要性15．________________例如loseweightbalanceAslongasyoukeepontrying，you’llsucceed.Itiswidelybelievedthatthereislifeinouterspace.Thereisnoevidencethatheissuccessful.atostorecause，leadto，resultin，bringabout等Forlackofhumanprotection可得到的可利用的availablecutoutsmokinganddrinkingItisestimatedthatisreportedtohavebeenfoundmorethanateachermorethanmorethanhappygettingthingsfixed