“望秋云，神飞扬，临春风，思浩荡”是（ ）中提出的观点。

(单选题)50.（ ） (单选题)49.（ ） (单选题)48.（ ） (单选题)47.（ ） (单选题)46.（ ） (单选题)—Could you do me a favor and take these files to my office?— (单选题)My friends went there to watch the barriers ______ by the po (单选题)We spent several days ______ all related reference materials (单选题)______ we persist in carrying out the open-door policy, we w (单选题)He seldom smokes, ______?