【课堂新坐标】（教师用书）2013-2014学年高中英语 Module 4 Period Ⅱ Introduction Reading and Vocabulary同步备课课件 外研版必修3.ppt

5．Sandstorms in China appear to have increased in recent years as a result of “desertification”．(教材P32)近些年来沙漠化导致的沙尘暴在中国似乎有所增加。 本句中appear to have done为不定式的完成式，表示一个更早的动作，发生在主要动词所表示的动作之前。其中appear用作系动词意为“似乎，好像”。 From her look，she appears to have known the truth. 从她的表情看，她好像已经知道了真相。 appear＋(to be) n．/adj. appear to do/to be doing/to have done 似乎要做/正在做/已经做过某事 it appears(to sb.) that...似乎有人要…… There appears to be...似乎有…… She appeared very tired.她似乎很累。 It appears to be raining.似乎在下雨。 It appears to me that you are all mistaken. 我觉得你们全错了。 6．The storms sometimes continue all day and traffic moves very slowly because the thick dust makes it difficult to see.(教材P32) 沙尘暴有时会持续一整天，并且由于浓浓的尘埃使能见度变低，使得交通变得非常缓慢。 句中的makes it difficult to see中的make是使役动词，意为“使某人或某物处于某状态中”，其中it为形式宾语，difficult为宾语补足语，不定式短语to see为真正的宾语，其结构为：make it ＋adj./n. (for sb.) to do...。 The heavy snow made it impossible for them to get there on time.这场大雪使得他们不可能按时到达那儿。 He makes it a rule to recite a poem every morning. 他把每天早晨背诵一首诗作为一项规定。 常用于该结构的动词还有：feel；think；believe；find；consider等。构成：feel/think/believe/find/consider＋it＋adj./n.＋(for sb.) to do/ doing/that... I dont think it possible to master a foreign language without good memory. 我认为没有好的记忆力，掌握一门外语是不可能的。 We found it difficult to get along with him. 我们发现与他相处很难。 He found it strange that no one else had arrived. 他发现奇怪的是没有其他人来。 【对接高考】 (2012·陕西高考)No matter where he is，he makes a rule to go for a walk before breakfast. A．him　　　 B．this C．that D．it 【解析】　考查it作形式宾语。句意：不管他在哪儿，早餐前都要去散步，这是他的惯例。句中it用作形式宾语，不定式to go for a walk before breakfast是真正的宾语。 【答案】　D 7．strength n．[U]力量；力气[C]长处；优势 The Chinese Central Weather Station can forecast a sandstorm some weeks before it arrives in Beijing，but the strength of the storm sometimes surprises people.(教材P32)中国中央气象局能在沙尘暴到达北京前几个周进行预报，但风力大得有时让人们吃惊。 The great strength of my plan is that its so cheap compared to the others. 我的计划的最大长处是比其他计划耗资要少。 ①have the strength to do有做……的力气/意志力 with all ones strength尽力 ②strong adj.强壮的 ③strengthen v．加强