以下不是活动星系含有的物质的是()A、非恒星物质B、非热辐射C、非热平衡D、非全波段

题型:单项选择题

问题:

以下不是活动星系含有的物质的是()

A、非恒星物质

B、非热辐射

C、非热平衡

D、非全波段

考点:天文学天文学题库
题型:单项选择题

根据短文内容回答问题。

     Steve is my pen friend. His birthday is May 18th, 1994. He is 14 years old now. He is from Canada.

 He lives in Ottawa (渥太华). He speaks English and French. His favorite subject is science. He likes

 Chinese, too. And he says he can speak a little Chinese, but he can't write in Chinese.

     Steve likes sports, too. He likes swimming best. He goes swimming on weekends with his father. He

 says he can swim very well. He doesn't like chess. He thinks it is too difficult.

     Steve likes playing computer games and he loves making pen friends on the Internet (网络). His email

 address is steve1994@hotmail.com. He is a tall boy with big blue eyes. He is also very outgoing (外向)

 and I really like to be his pen friend.

1. When is Steve's birthday?

    ________________________________________________

2. What language (语言) can Steve speak?

    ________________________________________________

3. Is his favorite subject science?

    ________________________________________________

4. Can he play chess very well?

    ________________________________________________

5. What's his email address?

    ________________________________________________

题型:单项选择题

下列各句中加粗的成语使用正确的一项是  [ ]

A.张大爷是个通情达理的人,对儿子因车祸致残这件痛心疾首的事,他已经想好了办法。

B.在自然科学发展史上,这种由假说发展成定律、原理的情况,真是俯拾皆是

C.病人的脉搏越来越弱,手术已迫在眉睫

D.对那些低级庸俗、哗众取宠的文学作品,稍有欣赏水平的人都会嗤之以鼻。

题型:单项选择题

在初步调查的基础上,根据系统目标、环境和条件,研制人员对所提出的任务从技术上、经济上、社会环境上进行分析,提出可行性分析报告,做出判断和结论。这是结构化方法中哪个阶段的任务

A.初步调查

B.可行性分析

C.详细调查

D.系统的逻辑设计

题型:单项选择题

关于胎方位的描述,正确的一项是()

A.枕左前位时,胎背在母体右侧

B.枕右前位时,胎背在母体左前方

C.肩右前时,胎头在母体右侧

D.骶左后位时,胎背在母体右后方

E.骶左位时,胎背在母体右侧

题型:单项选择题

下列哪几项不会导致粮食制品的均衡价格下降()

A、鸡肉价格的增加

B、气候条件良好

C、收入的上升

D、牛奶的价格下降

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