【北师大版】届高英语轮复习课件：unitsociety.ppt

break into 及物动词短语，后可带宾语，可用于被动语态。 break in 不及物动词短语，不能带宾 语，无被动语态。 新课标高考总复习　北师大版 · 英语 Cancer vaccine key discovered A VACCINE that could deal a serious blow to seven in 10 lethal cancers has been developed by scientists. In tests，it shrank breast tumours by 80 percent and researchers believe it could also tackle prostate，pancreatic，bowel and ovarian cancers. Even tumours that resist treatment with the best medicines on the market，including the“wonder drug”Herceptin，may be susceptible to the vaccine.The experiments so far have been on mice—but researchers hope to pilot the drug on people within two years.If all goes well，the vaccine could be on the market by 2020. Rather than attacking cancer cells，like many drugs，the new treatment harnesses the power of the immune system to fight tumours. burden vacant bare resign virtue poster skip cast undertake fine sentence abolish voluntary volunteer abundant abundance signature sign govern government adjustment adjust elect election merciful mercy rot rotten edition edit editor thirst thirsty container contain spoonful spoon consequently consequent consequence choose 指判断和进行实际挑选，该词强调做决定过程中所下的决心，侧重于意志或判断。 select 精选，含有选出最好的之意。 elect 选举，一般用于正式的选举。 pick 表示无需特别仔细的挑选、辨别。 新课标高考总复习　北师大版 · 英语