BBC news 2010-09-04 加文本

例句：After studying differential calculus you will be able to solve these mathematical problems.
       学了微积分之后,你们就能够解这些数学题了。

2.combination n.组合，合并，联合，化合（物）

3.procession n.（人或车辆的）队列，行列；列队行进；游行

例句：A funeral procession filled the street.
      送葬队伍挤满了街道。

4.ambitious adj.有抱负的, 雄心勃勃的

例句：Only ambitious students get the best marks.
      有抱负的学生才能取得最好的成绩。

5.retain vt.保持; 保留

例句：This village still retains its old world character.
      这个村庄仍然保持着古色古香的特色。

      We shall retain our rights.
      我们将保留我们的权利。

6.prominent a.卓越的,显著的,突出的,突起的,凸出的

例句：This university has created a number of prominent talents.
      这所大学造就了一批杰出的人材。

7.overall adj.总体的; 全面的; 综合的

例句：We have finished overall homework.
      我们已完成所有的家庭作业。

8.challenge vt.向…挑战,要求,怀疑

例句：The value of this exercise is that it challenges the students to express themselves freely.
      这项练习的价值在于它能促使学生自由地表达自己的思想。

      Preventing fires is a problem that challenges everyone's attention.
      防火是需要大家都注意的一个问题。

9.remarks n. 备注;注释;讲话

10.offence n.犯规; 违法行为; 罪行

例句：Because it was his first offence, the punishment wasn't too severe.
      由于他是初犯, 惩罚较轻。

冒犯; 无礼

例句：She felt she had committed an offence against the right of others.
      她觉得自己侵犯了他人的权利。