Рcontract 订合同,订契约РFill in the blanks with the above words and change the form where necessary.Р1. Research is more mentally fatiguing, contrasted with physical labour. Р2. They have contracted to build a railway across Africa.Р3. I must contact my lawyer before I made my final decisions.РAfter Reading >> Useful ExpressionsР在过去的一百年间 in the last hundred years Р回到 go back to Р享有特权的少数人 a privileged minority Р当今政府 the present governmentР基础科学 basic scienceР全球政府 a global stateР民主社会 a democratic societyР做出明智决定 make informed decisionsР生活水准 the standard of livingР卡通人物 cartoon figuresР科幻小说 science fictionsР酸雨 acid rainР温室效应 greenhouse effectР核武器 nuclear weaponsР基因工程 ic engineeringР死记硬背 learn by roteР使销量减半 halve the salesР分子生物学 molecular biologyР外星文明 alien civilizationР对…充满信心 have sufficient faith in…