Second, the reading passage states that the dome could have been used for butting, citing a similar example of the big horn sheep that use this dome for fighting. In contrast, the lecture contends that the dinosaur dome was fragile, which is different from the dome of the big horn sheep. Therefore, using the dome for fighting might end up hurting the brain of the dinosaur, thus leading to the dinosaur’s death. Clearly, the lecture’s explanation contradicts the reading’ s argument.

Finally, disputing the reading’ s argument regarding the possible ornamental function of the dome, the lecturer argues that the dome structure is in fact related to the age of the dinosaur. While juveniles had not domes, adult dinosaurs had them. (201 words)

　　独立写作

　　话题分类:社会类（抽象的社会问题）， 重复 2011.3.4 北美和 2019.3.9 的话题

　　考题回忆：

　　Do you agree or disagree with the following statement?

　　The most important problem affecting our society today will be solved in our lifetime.