高考英语单元知识点复习 unit9 Wheels Part 1 Of 2.ppt

Part 1 Of 2 1. save vt. ①节省,节约 If I go on the bus, it will save me a long walk. 如果我乘公共汽车,就省得走一段长路。 save sb. (from) doing sth. 省得某人做某事, from也可省去,省去from后,sb.也可改成one’s。 Your help saved me from having to go out again. =Your help saved me having to go out again. 你的帮助省得我再外出一趟。 ②挽救 His life was saved by the doctor’s efforts. 医生努力把他救活了。 He saved the boy from drowning. 他救起了落水的男孩,使他免于淹死。 save表示“救”时,和它搭配的介词from不能省。如上句。 ③储存 He’s trying to save up for a new car. 他想储存一笔钱买一辆新车。 1. 干吗不这样做呢？这样可省去你许多麻烦。 Why not do it this way? It’ll _____________________. 2. 我们一直在攒钱,打算去澳大利亚。 We ____________________ to go to Australia. save you much trouble have been saving up 2. convenient adj. 方便的,合适的 It is very convenient to pay by credit card. 用信用卡付款非常方便。 意为“方便的,合适的”,一般不以人作主语,而用it作形式主语,构成it is convenient for sb. to do sth.这一句型。 We must arrange a convenient time and place for the meeting. 我们必须安排一个合适的时间和地点开会。 convenience n. ［U］ 合适,方便,无困难；［C］ 有用的/方便的事,设备或安排 I keep my reference books near my desk for convenience. 我把参考书放在桌子附近以求方便。 It was a great convenience to have the doctor living near us. 有医生住在我们附近是很方便的。 你明天开始工作方便吗？ ____________________________________ ____________________________________ 请在方便时回信。 ____________________________________ ____________________________________ Will it be convenient for you to start work tomorrow? Please send me an answer at your convenience. 3. benefit vt. & vi. (使)得益；n. 好处 benefit sb. / sth. 使某人/物得益 benefit from sb. / sth.从某人/物获益 be of benefit to sb. 对某人有益 The fresh air will benefit you. 新鲜空气对你有益。 We benefit from the advanced scientific technology. =The advanced scientific technology benefits us. 先进的科学技术使我们受益匪浅。 beneficial adj. 有好处的,有益的 be beneficial to sb. 对某人有益 用benefit，beneficial的适当形式填空 1. The new railway will __________ the villagers. 2. The villagers will ____________ the new railway. 3. The new railway will be of __________ the villagers. 4. The new rai