填入下面一段文字横线处的语句，最恰当的一句是（ ）在全球化的今天，守护文化多样性，是关涉人类文化发展未来的大问题。在不同文化主体之间，要倡导有创建的交流、理解与对话。这种文化理解是一个双向承认的过程： 。前者是自觉、内省，后者则是宽容礼让、平等开放。

“Don’t tostrangers on your way to and from school”,mother often to me.

In some cases，different approaches ________ the same scientific problem lead to conflicting theories

She remains optimistic （乐观的） in spite of so much hardship she has _______ ．

Got your driving license?-No. I ___ too busy to have enough practice, so I didn’t take the driving test last week. I am going to next week. []