问题
单项选择题
秒差距是天文学中测量恒星距离的单位。
据此定义，秒差距指( )。
A．时间单位
B．长度单位
C．既不是时间单位也不是长度单位
D．既是时间单位也是长度单位
答案
参考答案：B
解析：此题不难，题干内容不多，容易抓住其中心。题干已介绍到秒差距是测量恒星距离的单位，那么由此便可知秒差距是长度单位，故选B。
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秒差距是天文学中测量恒星距离的单位。
据此定义，秒差距指( )。
A．时间单位
B．长度单位
C．既不是时间单位也不是长度单位
D．既是时间单位也是长度单位
参考答案：B
解析：此题不难，题干内容不多，容易抓住其中心。题干已介绍到秒差距是测量恒星距离的单位，那么由此便可知秒差距是长度单位，故选B。
1.In which column of a newspaper could we find this advertisement? A.Arts. B.Sales. C.Jobs. D.News. 2.One of the duties of the person to be appointed is_________. A.taking charge of research work B.seeking membership for the trade union C.mannaging a team of three or four members D.runing a telecommunications company 3.If you apply for this position, you can do all EXCEPT_________ A.ask an agency for an application form B.dial 020 8971 7482 for more information C.email hr@ cwu.org for an application pack D.send in your application before 4th August 2010 4.Which of the following applieans is most likely to be employed? A.A school teacher with a master’s degree. B.A university graduate majoring in computer science. C.A director from a research center with a master’s degree. D.A clerk from the telecommunications company |
team; good research skills, holding a good degree in a related subject or other similar experience; a high level of mathematical and calculating skills; the ability to produce high quality work under pressure; a commitment to and knowledge of the trade union movement and social demotic politics; and knowledge and/or experience of the postal and/or telecommunications industry。