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单选题
According to the passage, which of the following best describes the sequence of stages that the sun will probably pass through?
A
Yellow dwarf, white dwarf, red giant, black giant.
B
Red giant, white dwarf, red dwarf, nova explosion.
C
Yellow dwarf, red giant, white dwarf, black dwarf.
D
White dwarf, red giant, black dwarf, yellow dwarf.
参考答案
参考解析
解析：
是非题。文章首段指出太阳目前为yellow dwarf star，第二段描述在变化的第一阶段太阳会成为red giant star，接下来第三段又指出太阳缩小后会变成white dwarf star，而文章最后一句描述太阳能量用尽后会变为black dwarf。因此太阳的演变过程是yellow dwarf, red giant, white dwarf, black dwarf，故选C。
是非题。文章首段指出太阳目前为yellow dwarf star，第二段描述在变化的第一阶段太阳会成为red giant star，接下来第三段又指出太阳缩小后会变成white dwarf star，而文章最后一句描述太阳能量用尽后会变为black dwarf。因此太阳的演变过程是yellow dwarf, red giant, white dwarf, black dwarf，故选C。
更多 “单选题According to the passage, which of the following best describes the sequence of stages that the sun will probably pass through?A Yellow dwarf, white dwarf, red giant, black giant.B Red giant, white dwarf, red dwarf, nova explosion.C Yellow dwarf, red giant, white dwarf, black dwarf.D White dwarf, red giant, black dwarf, yellow dwarf.” 相关考题
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考题
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考题
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考题
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考题
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考题
Which of the following is the correct wiring order for an RJ-11 two line jack？（）A、Black，Green，Red，YellowB、Black，Red，Green，YellowC、Red，Black，Green，YellowD、Yellow，Red，Green，Black
考题
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考题
单选题What indicates a dual purpose buoy? （）A
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考题
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a red light over a white lightB
a white light over a red lightC
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考题
单选题A power-driven vessel pushing aheador towing alongside displays navigation lights and（）.A
two all-round red lights in a vertical lineB
two yellow towing lights in a vertical lineC
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考题
单选题What is the passage mainly about?A
Faint dwarf stars.B
The evolution cycle of the Sun.C
The Sun's fuel problem.D
The dangers of invisible radiation.
考题
单选题Which of the following is the correct wiring order for an RJ-11 two line jack？（）A
Black，Green，Red，YellowB
Black，Red，Green，YellowC
Red，Black，Green，YellowD
Yellow，Red，Green，Black
考题
单选题It can be inferred from the passage that the sun.A
is approximately halfway through its life as a yellow dwarfB
has been in existence for 10 billion yearsC
is rapidly changing in size and brightnessD
will continue as a yellow dwarf for another 10 billion years
考题
单选题A light used to signal passing intentions must be an（）.A
alternating red and yellow lightB
alternating white and yellow lightC
all-round white or yellow lightD
all-round white light only
考题
单选题As a white dwarf, the sun will be.A
the same size as the planet MercuryB
thousands of times smaller than it is todayC
around 35 million miles in diameterD
cold and dark
考题
单选题What is the primary purpose of this passage?A
To alert people to the dangers posed by the sun.B
To discuss conditions on earth in the far future.C
To present a theory about red giant stars.D
To describe changes that the sun will go through.
考题
单选题A light used to signal passing intentions must be an （）.A
all-round yellow light onlyB
all-round white light onlyC
all-round blue light onlyD
alternating red and yellow light
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