（寒假总动员）2015年高二英语寒假作业 专题17 语言知识回顾（十七）（学）VIP专享

（寒假总动员）2015 年高二英语寒假作业 专题 17 语言知识回顾（十七）（学）学一学 重点词汇、句型复习1．casual adj.非正式的，随便的；漫不经心的，不经意的①He tried to sound casual, but I knew he was worried.他讲话时试图显得不在乎，但我知道他心里着急。(1)be casual about 对……漫不经心a casual visitor 不速之客a casual decision 草率的决定(2)casually adv.偶然地；无意地；若无其事地②It's wise for you to give up the casual decision.你放弃了此草率的决定是明智的。2.contribute to 对……作出贡献；促成，有助于Honesty and hard work contribute to success and happiness.诚实加苦干有助于成功和幸福。(1)contribute... to...向……捐赠……；向……投稿(2)contribution n.贡献；捐款；捐助；投稿make a contribution/contributions to...对…作出贡献Each worker contributed one dollar to the Red Cross.每个工人都向红十字会捐献了一美元。③She continued to contribute articles to sports magazines.她继续为体育杂志撰稿。④Some public service advertisements mainly aim to make contributions to society.一些公益广告的主要目的是为社会作贡献。3. if only 但 愿，要是……就好了；只要常引导虚拟语气的条件句或感叹句，意为“但愿，要是……就好了；只要”①If only one had an endless supply of money!要是人人财源不断就好了！If only I had_remembered her phone number.我能想起她电话号码就好了。4.John Logie Baird constructed the first colour TV in 1928, but it was not until 1938 that the first colour TV programme was broadcast.1928 年，约翰·洛吉·贝尔德制造出第一台彩色电视机，但是直到 1938 年才进行首次彩色电视节目播放。It was not until my mother had prepared supper that I got home.直到妈妈晚饭做好了我才到家。5．John Logie Baird constructed the first colour TV in 1928, but it was not until 1938 that the first colour TV programme was broadcast.1928 年，约翰·洛吉·贝尔德制造出第一台彩色电视机，但直到 1938 年才进行首次彩色电视节目播放。句中运用了 not ... until 的强调句...