| 1. | I ' m having a hard time keeping up in my biology class 我拼命地想不落下生物课。 |
| 2. | We ' ve all learned that in biology class 生命是宝贵的,即使用十亿美元也换不回来。 |
| 3. | I have biology classes on tuesdays and thursdays 我周二,周四上生物课。 |
| 4. | I have biology classes on tuesday and thursday 我周二,周四上生物课。 |
| 5. | My alarm clock didn ' t go off , so i missed biology class 然后,我又把我的数学作业给丢了。 |
| 6. | In my biology class , we are studying the dna molecule 在我的生物课上,我们在学习dna分子。 |
| 7. | You learn it in biology class 你在生理课上学过的 |
| 8. | For biology class 这是生理课的作业 |
| 9. | Chuck and annie are in biology class . today , they are learning about bugs 查克和安妮正在上生物课。今天他们要学有关小虫的知识。 |
| 10. | In the last part , it describes the experimental research on olld in biology class teaching in junior school 最后,对初中生物课堂教学中“目标?分层?导学”的有效性进行了实验研究。 |