北师大版选修八unit22 section2语言知识点归纳总结

Unit 22 Environmental Protection Section Ⅱ Lesson 2 Endangered Species 13.call for 需要 call off 取消 call on sb.拜访某人 call on sb.to do sth.号召某人做某事 14.stand for 代表 represent vt.代表 15.carry on 继续 carry out 执行 carry through 成功完成 16.first of all 首先 above all 最重要的是 after all 毕竟 at all 根本 in all 总共 17.(1)result from 起因于…… as a result 结果 as a result of 因为…… (2)“导致,引起”的其他表达: bring about/lead to/contribute to/cause 18.by no means 绝不 by means of 通过 by all means 完全可以 19.consider vt.考虑 consider doing sth.考虑做某事 consideration n.考虑 take...into consideration 把……考虑在内 considerable adj.大量的 considering prep.考虑到…… 20.allocate sth.to sb.分配给某人某物 allocate...for...拨出……做…… break down 抛锚 break down 身体垮掉 break into 破门而入 break out 爆发 break up 分手 break through(克服困难和障碍而)获得成功 break off 突然停止 21.might have done sth.过去可能做了某事 could have done sth.过去本可以做某事但没做 needn’t have done sth.过去本不必做某事(实际上做了) must have done sth.过去肯定做了某事 can’t have done sth.不可能做了某事