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【简答题】

阅读材料,完成下列问题。 材料一:美国的“信使号”水星探测器是30年来人类第一次发射的探测水星的宇宙飞行器,美国东部时间2004年8月3日凌晨2时16分,在卡纳维拉尔角空军基地搭乘“德尔塔2号”火箭升空,飞向太阳系八大行星中体积最小,也是距离太阳最近的成员水星。 材料二:下图是太阳系局部图,黑点表示小行星。 小题1:美国“信使号”水星探测器考察的星球是 A.① B.② C.③ D.④ 小题2:人类发射的探测器可以到达水星表面,表明人造天体已经离开 A.银河系 B.太阳系 C.地月系 D.河外星系

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参考答案:
举一反三

【单选题】Unless we spend money to spot and prevent asteroids (小行星) now, one might crash into Earth and destroy life as we know it, say some scientists. Asteroids are bigger versions of the meteoroids (流星) that...

A.
It is very unlikely, but the danger exists.,
B.
Such a collision might occur once every 25 years.
C.
Collisions of smaller asteroids with Earth occur more often than expected.
D.
It’s still too early to say whether such a collision might occur.

【简答题】下列小行星描述正确的是( )

A.
小行星带的质量都集中少数较大的球状小行星上
B.
小行星的直径越大,颗数越少
C.
小行星都集中在土星和木星轨道之间
D.
现代小行星的探测多采用天体照相术

【单选题】德尔塔一正态分布法中,VaR取决于两个重要的参数,即( )。

A.
持有期和方差
B.
方差和置信度
C.
持有期和置信度
D.
标准差和置信度

【单选题】Unless we spend money to spot and prevent asteroids (小行星) now, one might crash into Earth and destroy life as we know it, say some scientists. Asteroids are bigger versions of the meteoroids (流星) that...

A.
They are heavenly bodies different in composition.
B.
They are heavenly bodies similar in nature.
C.
There are more asteroids than meteoroids.
D.
Asteroids are more mysterious than meteoroids.
相关题目:
【单选题】Unless we spend money to spot and prevent asteroids (小行星) now, one might crash into Earth and destroy life as we know it, say some scientists. Asteroids are bigger versions of the meteoroids (流星) that...
A.
It is very unlikely, but the danger exists.,
B.
Such a collision might occur once every 25 years.
C.
Collisions of smaller asteroids with Earth occur more often than expected.
D.
It’s still too early to say whether such a collision might occur.
【简答题】下列小行星描述正确的是( )
A.
小行星带的质量都集中少数较大的球状小行星上
B.
小行星的直径越大,颗数越少
C.
小行星都集中在土星和木星轨道之间
D.
现代小行星的探测多采用天体照相术
【单选题】德尔塔一正态分布法中,VaR取决于两个重要的参数,即( )。
A.
持有期和方差
B.
方差和置信度
C.
持有期和置信度
D.
标准差和置信度
【单选题】Unless we spend money to spot and prevent asteroids (小行星) now, one might crash into Earth and destroy life as we know it, say some scientists. Asteroids are bigger versions of the meteoroids (流星) that...
A.
They are heavenly bodies different in composition.
B.
They are heavenly bodies similar in nature.
C.
There are more asteroids than meteoroids.
D.
Asteroids are more mysterious than meteoroids.
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