Which of the following could be taken as the last paragraph on the topic of"To Become a Welcome Tourist"?（）
以下哪一种表达不能用于表示让步关系?
以下哪一个表达不能用来表示因果关系?
Compose an essay.People are more and more concerned about the environment. Write a 300-word expository essay stating your opinion about what we can do as individuals to improve our environment.
Which of the following could be taken as the last paragraph on the topic of "Choosing Career"?（）
Tourists are advised to follow the saying “When in Rome, do as the Romans do while traveling abroad.” What will you do to become a welcome tourist if you go abroad? Write a 300-word expository essay stating your views.