外研版英语必须修读1unit3教学课件.ppt

3. Travelling at a speed of over 400 kilometres per hour, the train can complete the 30-kilometre journey in eight minutes. 句型探究 Travelling at a speed of…是现在分词短语作原因状语。现在分词短语用作状语时，与其逻辑主语(句子主语)之间为主动关系，可以表示时间、原因、条件、伴随和结果等，相当于一个状语从句。 注： at a speed of…以…的速度 3. Travelling at a speed of over 400 kilometres per hour, the train can complete the 30-kilometre journey in eight minutes. 句型探究 ①表时间 Waiting for the bus, I met an old friend. 等车的时候，我碰见了一个老朋友。 3. Travelling at a speed of over 400 kilometres per hour, the train can complete the 30-kilometre journey in eight minutes. 句型探究 ②表原因 Being blind, how could they see an elephant? 因为是盲人，他们怎么能看得见大象呢？ 3. Travelling at a speed of over 400 kilometres per hour, the train can complete the 30-kilometre journey in eight minutes. 句型探究 ③表条件 Using your head, youll find a good way. 动动脑筋，你就会找到一个好办法。 3. Travelling at a speed of over 400 kilometres per hour, the train can complete the 30-kilometre journey in eight minutes. 句型探究 ④表伴随或方式 Now I work in a centre for drug addicts, helping others to stop taking drugs.(必修2　Module 2) 现在我在一家戒毒中心工作，帮助别人戒毒。 3. Travelling at a speed of over 400 kilometres per hour, the train can complete the 30-kilometre journey in eight minutes. 句型探究 ⑤表示结果 On average, there are 800 tornadoes in the US each year, causing about 80 deaths and 1,500 injuries.(必修3　Module 3) 美国每年平均会发生800次龙卷风，造成大约80人死亡,1,500人受伤。 单项填空 ①______ that he was in great danger, Eric walked deeper into the forest. A. Not realized B. Not to realize C. Not realizing D. Not to have realized 3. Travelling at a speed of over 400 kilometres per hour, the train can complete the 30-kilometre journey in eight minutes. 句型探究 【解析】 C　本题考查非谓语动词中的现在分词作原因状语的用法。动词realize与本句的主语Eric在逻辑上是主动关系，并且与主句中的谓语动词walked同时进行，因此，用realize的现在分词形式，它的否定式在其前添加not即可，故选C。 　 句型探究 ②______ the film, Jack found the windows of his house ______， while the door ______. A. Returning from; open; closed B. Returning back from; open; closed C. Returning; opening; closing D. Returned from; open; closed