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问题 选择题

下列各组物质不属于同分异构体的是（　　）

A．乙醇和乙醚

B．邻氯甲苯和对氯甲苯

C．2一甲基丁烷和正戊烷

D．邻甲苯酚和苯甲醇

答案

A．乙醇和二甲醚分子式不相同，结构不同，不是同分异构体，故A正确；

B．邻氯甲苯和对氯甲苯分子式相同，但结构不同，互为同分异构体，故B错误；

C．2一甲基丁烷和正戊烷分子式相同，但结构不同，互为同分异构体，故C错误；

D．邻甲苯酚和苯甲醇分子式不同，但结构不同，互为同分异构体，故D错误；

故选：A．

单项选择题

In your project, you have started doing human resource planning and are studying the interpersonal relationships among the candidates who are being considered for the project team. Some factors you consider include: What type of formal and informal reporting relationships exist amongst the candidates for the project team What are the candidate’s job descriptions What are the supervisor-subordinate relationships What cultural or language differences will affect working relationship between team members What levels of trust and respect currently exist All this information will be available as part of ______ .

A．enterprise environmental factors

B．organization hierarchy

C．informal reporting relationships

D．all of the above
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单项选择题

我国社会主义法律部门分为( )。

A．宪法、行政法、民法、经济法、劳动法、环境法、刑法、诉讼法等

B．宪法、选举法、组织法、民法、刑法、行政法、诉讼法等

C．宪法、行政法、民法、刑法、诉讼法、律师法、选举法等

D．宪法、选举法、国籍法、民法、刑法、行政法、诉讼法等
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