Lesson 4 A visit to LanzhouI、 Learning aimsKey vocabulary: group bridge cross wide another main sand believe sir safe fall Key phrases: go for a walk(去散步)take a picture(照相)Key structures: Can we do sth、?What does\do…mean in English?Practice listening、speaking、reading and writing skills、II、 Learning important pointsThe group takes a train to Lanzhou、这个团体乘坐火车去兰州。group 作可数名词,意为“群、组、团体”。强调整体时,视为单数;强调成员时,视为复数。1.Later,they go for a walk along the Yellow River、后来,她们沿着黄河散步。(1)、go for a walk 意为“去散步”。go for +a\an+n、意为“去做某事”。类似得短语还有 go for a swim 去游泳,go for a drive 开车兜风。例如:I often go for a walk after supper、(2)、walk 名词,意为“散步”。v 、 步行They will walk to school、v 、 散步They are walking in the park、 短语go out for a walk;have \ take a walk3、It was the first bridge over the Yellow River、它就是黄河上得第一座桥。(1)、这就是一个含有 be 动词得一般过去时态得句子。was 就是 is 得过去式。、over 作介词,意为“在……之上”,表示一个物体在另一个物体得垂直上方,且不接触。4.The Silk Road crossed the Yellow River in Lanzhou、丝绸之路在兰州穿过黄河。(1)、这就是一个含有实义动词得一般过去时态得句子。crossed 就是cross 得过去式。(2)、cross 作及物动词,意为“横跨、横穿”,与 go across 得意思相同,指从一边横跨到另一边去。例如:cross the river 过河 cross the road 过公路Analysis: cross\across5、Can we take a picture in front of the statue , Ms 、 Martin? 马丁女士,我们可以在雕像前面照相吗?、can 就是情态动词,意为“能”。用来表达请求对方得允许,多用于疑问句中。、take a picture 意为“照相”,相当于 take a photo,复数为:take pictures、take photos 其后可接 of,表示“给某人照相”。6.And what does it mean in English?用英语表示,它得意思就是什么?What does\do…mean?=What does\do…mean by…?=What`s t...