选修八Module 1.ppt

③Until then，I knew nothing at all about it. 直到那时，我对那件事还一无所知。 ④Not until all the fish died in the river did the villagers realize how serious the pollution was. 直到河里的鱼都死了，村民们才意识到污染的严重性。 ⑤It was not until today that it was made publicly. 那件事直到今天才被公布出来。 【即境活用】 16．(2010年江苏四市联考)—How much do you know about the 3D film technology? —A little.Not until ________ the hot movie Avatar ________ some about it. A．did I see；did I begin to learn B．I saw；I began to learn C．I saw；did I begin to learn D．did I see；I began to learn 解析：选C。答句句意为“一点点。直到我上次看到热播电影阿凡达，我才对3D电影有所了解。”not until引导的状语从句位于句首，主句使用倒装语序。 ★17.(2010年福建永安一中)Not until it was dark ________，which made his mother worried. A．he showed off　　B．that he showed up C．did he show up D．had he showed up 解析：选C。句意为：直到天黑了他才回来，这使得他妈妈很担心。not until从句位于句首，主句要用部分倒装，且由句意知，设空处应用一般过去时，故选C。本句还可转化为：He didn’t show up until it was dark.。 ★18.It is not until ________ the things ________ we used to have ________ we learn to cherish. A．do we lose；/; that B．we lose；that；that C．we do lose；what；what D．do we lose；what；that 解析：选B。这是it is not until...引导的强调句，第二个是定语从句，that是the things的引导词，第三个空引导一个强调句型，须用that。句意：直到我们失去了我们曾经拥有的东西，我们才学会珍惜。 知能强化训练 本部分内容讲解结束 点此进入课件目录 按ESC键退出全屏播放 谢谢使用 * 【例句探源】 ①The government will take measures to discourage the use of cars in cities. 政府将采取限制在城市使用汽车的措施。 ②(牛津P568)Learners can feel very discouraged if an exercise is too difficult. 如果练习太难，学习者就可能感到很没信心。 ③(牛津P568)His parents tried to discourage him from being an actor.他的父母试图阻止他当演员。 ④The unfavorable reviews of his first novel were a great discouragement to him. 他第一本小说所得的不利评论令他极其灰心丧气。 【即境活用】 6．It is _______ that so many young athletes are coming into the team. A．encouraging　　　B．discouraging C．encouraged D．discouraged 解析：选A。句意为“这么多年轻运动员进入到队伍中真鼓舞人心。” ★7.All the employees except the manager ________ to work online at home. A．encourages B．encourage C．is encouraged D．are encouraged 解析：选D。考查动词的一般现在时与语态问题以及主谓一致原则。主语为all the employees,而except the manager为介词短语，不影响主语与谓语关系，即谓语