【正文】
l, in a post office 4. this room, not, use, very often ? the office, clean, every day. The office is cleaned every day. 1. These rooms are cleaned once a week. 2. Glass is made from sand. 3. Stamps are sold in a post office. 4. This room is not used very often. 首段句型 1. … stages in the production/ process of ... …流程的步驟 the stages (and equipment used) in the production/ process of ... …流程的步驟(和用到的設(shè)備) 2. ? The cycle of …. …的循環(huán) ? how+主 +moves in a continuous cycle. The diagram below shows the process of glass recycling ?The flowchart illustrates there are ... stages in the process of ... The flowchart illustrates there are three stages in the process of glass recycling. All kinds of used bottles are collected in the collection point they are transported to the cleaning plant where the second stage begins. In the initial stage, and then by truck In the second stage, these glass containers are first cleaned by high pressured water. Then, they are classified by colour into brown, green and clear. Next,these bottles are placed separately in the different recycling plants. they are put into the furnace in order to melt in preparation for moulding. The recycled liquid glass is subsequently mixed with a certain amount of the n