重点单词 1.equivalent adj.相等的,等价的,相当的 n.相等物,等价物,意义相同的词 构词:equ(i)=equal等,均,平,相等。val=value价值。-ent…的。 【真题】Physics is ____ to the science which was called natural philosophy in history. A)alike B)equivalent C)likely D)uniform 【正确答案B】 2.estimate n.估计,估量;评价,看法 vt.估计,估量 【类比】assesse 对…进行估价 evaluate评估,评价 rate对…估价,评估 value评价,给…估价 【真题】Before he started work,I asked the builder to give me an ___ of the cost of repairing the roof. A)assessment B)estimate C)announcement D)evaluation 【正确答案B】 【类比】estimation n.估计,评价
Since 1939,numerous scientific studies have been conducted to determine whether smoking is a health hazard.The trend of the evidence has been consistent and indicates that there is a serious health risk.Research teams have conducted studies that show beyond all reasonable doubt that tobacco smoking,particularly cigarette smoking is associated with a shortened life expectancy.