The Ivy League, the group of old private north-eastern universities, include ______ and some others.

单项选择题Babbit was a petty figure created by ______ who was the first American writer to win the Nobel Prize.

单项选择题The author is dissatisfied with the term environmentalist mostly Because ______.

单项选择题The author is primarily concerned with the ______ of the term.

单项选择题Both preservationists and conservationists are termed as environmentalists largely because ______.

单项选择题By saying the law could protect itself (Par