某二叉村中度为2的结点有12个,则该二叉树中有______个叶子结点。
参考答案:M
解析: 度为0的结点(即叶子结点)总比度为2的结点多一个。
忠儿,男,6岁,因风湿热入院,肌注青霉素、口服阿司匹林后出现食欲下降、恶心等胃肠道不适,护士可以给予的正确指导是
A.饭后注射青霉素B.两餐间用阿司匹林C.饭后服用阿司匹林D.两餐间注射青霉素E.阿司匹林与维生素C同服
A narrowing of your work interests is implied in almost any transition from a study environment to managerial or professional work. In the humanities and social sciences you will at best reuse only a fraction of the material (1) in three or four years’ study. In most career paths academic knowledge only (2) a background to much more applied decision-making. Even with a " training " form of degree, (3) a few of the procedures or methods (4) in your studies are likely to be continuously relevant in your work. Partly this (5) the greater specialization of most work tasks compared (6) studying. Many graduates are not (7) with the variety involved in (8) from degree study in at least four or five subjects a year to very standardized job (9) . Academic work values (10) inventiveness, originality, and the cultivation of self-realization and self-development. Emphasis is placed (11) generating new ideas and knowledge, assembling (12) information to make a " rational " decision, appreciating basic (13) and theories, and getting involved in fundamental controversies and debates. The humanistic values of higher (14) encourages the feeling of being (15) in a process with a self-developmental rhythm. (16) , even if your employers pursue enlightened personnel development (17) and invest heavily in " human capital " —for example, by rotating graduate trainees to (18) their work experiences—you are still likely to notice and feel (19) about some major restrictions of your (20) and activities compared with a study environment.
(6)()
A.with
B.against
C.upon
D.from