| 1. | Each participant was to pay his own expenses . 每个参加者都必须自费。 |
| 2. | Participants were contacted once yearly . 对受观察者一年访问一次。 |
| 3. | How should the participants be ranked . 应该怎样排参加者的名次呢? |
| 4. | Man himself is a participant in this environment . 人类本身是其环境的参与者。 |
| 5. | International trade is beneficial for all participants . 国际贸易对所有参加国都有好处。 |
| 6. | He did not take part in the meeting , so he was not participant . 他没有参加这次会议,所以他不是参与者。 |
| 7. | The size of the conference was larger and there were more participants in it . 会议规模较大,参加人数较多。 |
| 8. | Participants in the game are one or more players and one referee . 游戏的参加者是一个或几个选手和一个裁判。 |
| 9. | What makes the whole thing so marvellous is the exuberance of the participants . 使这一切如此奇妙的是参加者充沛的精力。 |