南京紫金山游客众多,很多人不喜欢走大道,喜欢另辟蹊径走小道,造成植被破坏、水土流失。你作为管理人员请提出可行性建议。
Miss Andreasen publishes her research articles more often when ______rather than Nancy
The words "the amount" in Paragraph l0 refer to ______.
According to the author, in one year of average reading by an average reader for 15 minutes a day, ______ books will be read.