普通表达 高级表达 ◆... had / took part in a discussion about / on ...

◆... have different opinions / attitudes on / towards ...

◆There are different opinions among ... about the topic ... ◆... held / participated in a heated / lively discussion about / on ...

◆... are divided over ...

◆Opinions differ / vary as to ...

◆When it comes to ..., different ... hold different views. 第二部分：列举合作学习的利和弊。

普通表达 高级表达 ◆We all think it's good to study together, as it saves time and makes us learn efficiently.

◆We can solve difficult problems together, share our learning methods and learn from each other. ◆We are all for / in favour of this learning method, thinking it saves time and improves our learning efficiency.

◆Cooperative learning provides us with the chance to solve difficult problems together, share our learning methods and learn from each other. ◆However, there are some disadvantages to cooperative learning.

◆It may make those who are unwilling to work always depend on other members.

◆Another disadvantage is that it is difficult for teachers to know more about every student. ◆But every coin has two sides. The negative aspects are also apparent.

◆On the one hand, it is more likely to cause dependency when some members are reluctant (不愿意的) to work.

◆On the other hand, since students are working together on a group assignment, it is difficult for teachers to assess every student. 第三部分：谈谈自己的看法。

普通表达 高级表达 ◆As for me, I think ...

◆If we ..., we'll benefit a lot from ... ◆As far as I'm concerned, I prefer ... because ...

◆As long as we ..., its advantages outweigh its disadvantages.