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【单选题】
下列除哪项外均为唇形科草本植物的特点（）A.
茎方形、
B.
多含有挥发油
C.
多具腺鳞、腺直轴式气孔
D.
内皮层大多明显、质部处发达
E.
髓不明显
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举一反三
【单选题】Which of the following is the auditor least likely to do when aware of an illegal act?
A.
Discuss the matter with the client's legal counsel.
B.
Obtain evidence about the potential effect of the illegal act on the financial statements.
C.
Contact the local law enforcement officials regarding potential criminal wrongdoing.
D.
Consider the impact of the illegal act on the relationship with the company's management.
【单选题】Which of the following is the auditor least likely to do when aware of an illegal act?
A.
discuss the matter with the client's legal counsel
B.
obtain evidence about the potential effect of the illegal act on the financial statements
C.
contact the local law enforcement officials regarding potential criminal wrongdoing
D.
consider the impact of the illegal act on the relationship with the company's management
【单选题】In Vroom's expectancy theory, what is meant by 'valence'?
A.
The strength of an individual's preference for a given outcome
B.
The strength of an individual's motivation to act in a certain way
C.
The strength of an individual's belief that acting in a certain way will obtain the desired outcome
【单选题】In Vroom's expectancy theory, what is meant by 'valence'?
A.
The strength of an individual's motivation to act in a certain way
B.
The strength of an individual's preference for a given outcome
C.
The strength of an individual's belief that acting in a certain way will obtain the desired outcome
【单选题】科学家们认为，梦是大脑中主管人体各种功能的各个中心点联合作用的结果。人在睡眠时其部分脑细胞仍然在活动着，这就是梦的基础。最近的研究成果证实，做梦不仅不会影响人的睡眠和健康，而且还是保护大脑健康所必需的生理活动之一。 以下哪项如果为真，最能支持上述结论？（ ）
A.
研究中，梦境被打扰的被试在醒来后显得焦虑不安，容易紧张，并出现记忆的短期障碍
B.
根据问卷分析，长期不做梦的人比经常做梦者所需的睡眠时间更长，在休息后有一半人仍会感到疲倦
C.
调查显示，能完整讲述梦境的被试相比遗忘梦境者，在工作中更能快速集中注意力，从而工作效率更高
D.
实验中，研究人员在睡眠者出现做梦的脑电波时，就立即将其阻断，结果发现被试的血压和体温明显增高
【单选题】关于HLA-Ⅱ类抗原分子正确的是
A.
由仅链和B2-m链组成
B.
呈递外源性抗原
C.
分布在所有有核细胞的表面
D.
由HLAA、B、C等基因编码
E.
可与CD8分子结合
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