老师：Hello, this Jane from Changzhou in Jiangsu province. Welcome to my class. First, please prepare your English book and a pen. If you need more time to think about a question, you can press the pause key. Okay, now let begin our class. Let's learn some new words.
老师：read after me past its a preposition 当我们使用介词 past 的时候，我们要在前面加动词。 for example go past 路过 walk past 走过 run past 跑过 next one treasure 宝藏不可数名词， have a treasure hunt 寻宝 turning 转弯处 at the first turning 在第一个转弯处。
老师：at the second turning 在第二个转弯处。 traffic 交通往来车辆不可数名词 heavy traffic 拥挤的交通 the traffic is quite heavy。交通非常拥挤。 traffic lights 红绿灯 at the traffic lights 在红绿灯处 should its a motor verb。情态动词后面的动词要用圆形 crossing 交叉路口 at the crossing 在十字路口。 corner 拐角街角角落 at the corner of the street 在街角处 then i will show you a short video after watching， you will tell me what they are doing？
老师：okay what are they doing do you know yes they are having a treasure hunt。
老师：他们在寻宝。
老师：i think its very。 Interesting. Today, let's go a treasure hunt together. If you want to find the treasure, I think you should know some road signs and how to describe the roots. I have prepared some tasks for you today. Let's go.
老师：Task 1, let's learn some road science. Do you know them? Please read after me. Turn left, turn left, turn right, turn right, go straight on, go straight on. Crossing, crossing. When you are standing at the crossing, what can you see? Yes, you can see the zebra crossing by machine and the fake lights. When the traffic light is red, we can't cross the road. We should wait. When the trafficker lights is green, we can cross the road. We can go across the road. We can walk across the road here. Cross is verb. across is a preposition cross 是一个动词。 across 是一个介词，所以在我们表达过马路的时候，我们可以说 cross the road go across the road walk across the road okay， please look at this picture the driver is driving at the turning he is turning left at the turning。司机在转弯处向左转。
老师：all we can say he is turning left at the first turning。
老师：他在第一个转弯处向左转。
老师：Okay, just now we Learned some different road signs. Do you remember them? Finish the matching together. Let's check the answer. Picture one, turn left. Picture, too thick lights. Picture 3, turn right. Picture four, zebra crossing. Picture five, go straight on.
老师：Great. Let's move on to Task 2. Please look at this picture. Picture, we can see two crossings and the man is taking the first turning on the left. He is turning left at the first turning. Please pay attention to the preposition on the left at the first turning in this picture. The man is taking the second turning on the right. He is turning right at the second turning.
老师：它在第二个转弯口向右转。
老师：in this picture the man is crossing the road he is crossing the road at the traffic lights。
老师：他在红绿灯处过马路。
老师：is crossi
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