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【单选题】

与银河系同一级别的天体系统是:

A.
河外星系
B.
总星系
C.
地月系
D.
太阳系
题目标签:天体级别银河系
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参考答案:
参考解析:
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【单选题】Isn’t it surprising that scientists have a better understanding of how many stars there are in the galaxy (银河系) than how many species there are on Earth Their estimates of global species diversity var...

A.
The soil and the deep sea belong to communities that haven’t been fully explored.
B.
It is surprising news wherever new species are discovered in the deep sea.
C.
About 90 million species are believed to live in the deep sea.
D.
A million species in the deep sea have been discovered and named.

【多选题】按保护的业务级别可将自愈环划分为:

A.
通道保护环
B.
复用段保护环
C.
单向保护环
D.
双向保护环

【单选题】根据文意,天体物理学家发现的银河系“甘戈特里波”是一种()。

A.
冰川一样的结构
B.
像“羽毛”一样的气体卷须
C.
连接银河系两条旋臂的固体星系结构
D.
冷一氧化碳气体云

【单选题】银河系直径()

A.
11万光年
B.
12万光年
C.
10万光年
D.
14万光年

【单选题】XDPS中ENG级别不能进行()

A.
CRT画面监控
B.
组态
C.
修改功能块
D.
U软件升级
相关题目:
【单选题】Isn’t it surprising that scientists have a better understanding of how many stars there are in the galaxy (银河系) than how many species there are on Earth Their estimates of global species diversity var...
A.
The soil and the deep sea belong to communities that haven’t been fully explored.
B.
It is surprising news wherever new species are discovered in the deep sea.
C.
About 90 million species are believed to live in the deep sea.
D.
A million species in the deep sea have been discovered and named.
【多选题】按保护的业务级别可将自愈环划分为:
A.
通道保护环
B.
复用段保护环
C.
单向保护环
D.
双向保护环
【单选题】根据文意,天体物理学家发现的银河系“甘戈特里波”是一种()。
A.
冰川一样的结构
B.
像“羽毛”一样的气体卷须
C.
连接银河系两条旋臂的固体星系结构
D.
冷一氧化碳气体云
【单选题】银河系直径()
A.
11万光年
B.
12万光年
C.
10万光年
D.
14万光年
【单选题】XDPS中ENG级别不能进行()
A.
CRT画面监控
B.
组态
C.
修改功能块
D.
U软件升级