A Visit to Lanzhou教学目标:Master words and phrases: group, bridge, cross, wide, take a train, go for a walk, in the front of, take a picture教学重点: Master words and phrases: group, bridge, cross, wide, take a train, go for a walk, in the front of, take a picture教学难点1.区别over和on 2.cross的用法step1: warmingStep2:新词单词词性原句仿句groupbridgecrosswidecheeseStep3:短语去散步_ 左转_在.的前面_ 用汉语_第二个路口_ 带领.去. _照相_ 乘火车_母亲河塑像_ 沿着，顺着_Step4：听读训练1. listen carefully and find the correct words in part1 of “lets do it”.2. read the text and finish off part2 of “lets do it”.step5:知识反馈1. over/on/above的用法辨析： on表面接触 over正上方 above 斜上方2. cross 动词横跨，横穿，强调从表面穿过3. take a picture/photo 照相4. take a train to.= go to . by train5. in the front of 空间内部的前面in front of 空间外部的前面6.wide形容词 widely 副词step6:练习1. The bridge is _the river. There are lots of people walk _it.2. The g_ of the students will help the farmers pick the apples.3. Dont let the boy c_ the street by himself, its dangerous.4. The Yellow River is about 5400kilometers long and 100 kilometers w_.5. There is a big tree _ my house.6. Alices mother doesnt want her to sit _the car.7.we cant _(照相) in the museum.