中药材大黄主产于甘肃、青海、四川等地，通常于秋末至次春采挖。（）

以下有关“药物基因组学研究基因突变与药效和安全性的关系”的目标叙述中，不正确的是

A．给予恰当的药物

B．给予恰当的剂量

C．在恰当的时间给予

D．由恰当的医师应用

E．通过恰当的给药途径

煤炭消费占我国一次能源消费的( )。

A．69%
B．29%
C．33%
D．63%

资源的三种类型包括（）。

A.自然资源

B.社会资源

C.资本资源

D.人力资源

自艾滋病被发现那天起，科学家就通过国际合作致力于研制让健康人免于感染的疫苗。2009年9月24日，美国和泰国研究人员共同研制出了具有免疫效果的艾滋病“联合疫苗”。这种“联合疫苗”是由两种疫苗组成，其中一种负责刺激免疫系统，使其做好攻击艾滋病病毒的准备；第二种则担当“助攻手”，负责增强免疫反应。下图为人体免疫的部分过程示意图，请回答：

艾滋病病毒进入人体后，图示①②③中可能发生的特异性免疫的是（）（填序号）。

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