| 1. | This time our topic is genetically modified food
这次，我们的话题是转基因食品。 |
| 2. | It is easy for you to work out the maths problem
你解出这道数学题是容易的。 |
| 3. | It ' s impossible for him to work out this maths problem
他解出这道数学题是不可能的。 |
| 4. | Our subject this week is children and aids
我们这个周的话题是儿童于爱滋。 |
| 5. | We are glad you are not watching tv right now
虽然我们今天的话题是电视。 |
| 6. | What is the hot gossip ? tell me everything
热衷的话题是什么？都告诉我吧 |
| 7. | I found it impossible to work out this maths problem
我发现他解出这道数学题是不可能的。 |
| 8. | The need for a recreation center here is today ' s topic
今天的话题是需要有一个休闲中心。 |
| 9. | It ' s not easy to write serious topics into my songs
在我的歌曲中写入严肃的话题是不容易的。 |
| 10. | Another problem is whether neutrinos have non - zero mass
另一个大难题是究竟中微子有没有质量？ |
