| 1. | Describe a circle on the floor with a piece of chalk 用一支粉笔在地板上画个圈。 |
| 2. | He is writing on the blackboard with a piece of chalk 他正用一支粉笔在黑板上写字。 |
| 3. | He filched a piece of chalk from the teacher ' s desk 他从老师的书桌上偷取一支粉笔。 |
| 4. | The teacher wrote on the blackboard with a piece of chalk 老师用一支粉笔在黑板上写字。 |
| 5. | The teacher wrote on the blackboard with a piece of chalk 老师用一支粉笔在黑板上写字。 |
| 6. | I stepped onto the platform and picked up a piece of chalk 我走上了讲台,拿起了一支粉笔。 |
| 7. | He crushed a piece of chalk to powder 他将一支粉笔压成粉末。 |
| 8. | Can you give me a piece of chalk 你能给我一支粉笔吗 |
| 9. | The man picked up a piece of chalk and wrote some english words on the blackboard 这个人捡起一支粉笔在黑板上写下了几个字 |
| 10. | For decades , the traditional model like " a blackboard , a piece of chalk , a mouth , a book " or " blackboard - writing plus wall pictures or charts " has been dominant in classroom teaching , which is now out of step with the demands of current information society on education 几十年来,课堂教学一直是“一幅黑板,一支粉笔,一张嘴,一本书”或“板书+挂图”的传统模式,这已远远不能适应当今信息社会对教育教学的要求。 |