五、Read and say. 在Mrs Smith的引导下，Amy和同学认识了许多交通标志。你知道下面这些标志的含义吗？请看一看，给大家讲解一下。

评一评

| A. | B. | C. |
|----|----|----|
| 语音准确，表达自如，词汇丰富，思维连贯 | 语音准确，表达流畅，词汇无误，思维基本连贯 | 语音基本准确，表达基本流畅，能够理解、反馈 |

This is a one-way traffic sign. It means that traffic can only go in one direction on this road.
This is a give-way sign. It tells drivers to yield to other vehicles or pedestrians.
This is a no-overtaking sign. It indicates that overtaking is not allowed on this section of the road.
This is a minimum-speed sign. It shows the lowest speed limit on this road, which is 50 (the unit is not specified in the sign, usually km/h).
This is a no-cycling sign. It means that cycling is prohibited in this area.
This is a two-way traffic sign. It indicates that traffic can flow in both directions on this road.