Teachers have to constantly update their knowledge in order to maintain their professional ___.

马斯洛认为，人类需要从低到高依次为()。

The controls of most modern airplanes can be operated either manually or automatically.

Will all those _____ the proposal raise their hands?

Formerly , in the United States, many nurses worked as private duty nurses rather than in hospitals.

A few months after he had arrived in China, Mr. Smith ___________ in love with the people and culture there.

社会工作者分析和处理问题的基本出发点是()。

实行人民民主，保证人民当家作主，实现形式是丰富多样的，经过长期探索，我国在通过依法选举让人民的代表来参与国家生活和社会生活管理的同时，找到了一种保证人民在日常政治生活中油广泛持续深入参加权力的特有民主形式，这一特有民主形式是()。

We’d better discuss everything _______ before we work out the plan.

He has the _____ of an athlete: he really goes all out to win.