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自然科學
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已顯示全部 5 道題目——免費註冊即可匯入這個題庫，和全班一起玩。
1
Which planet in our solar system is known for its prominent ring system?
A
Neptune
B
Uranus
C
Jupiter
D
Saturn
2
What is the primary reason that Earth experiences seasons?
A
Variations in solar output
B
The tilt of Earth's axis
C
The gravitational pull of the Moon
D
Changes in Earth's distance from the Sun
3
If a star is observed to have a parallax angle of 0.1 arcseconds, what is its approximate distance from Earth in parsecs?
A
10 parsecs
B
100 parsecs
C
0.1 parsecs
D
1 parsec
4
How does the life cycle of a high-mass star differ from that of a low-mass star like our Sun?
A
High-mass stars become white dwarfs, while low-mass stars become black holes.
B
High-mass stars never undergo nuclear fusion, while low-mass stars do.
C
High-mass stars have longer lifespans than low-mass stars.
D
High-mass stars end their lives as supernovae, while low-mass stars become white dwarfs.
5
What is the main function of the James Webb Space Telescope's large primary mirror?
A
To collect and focus infrared light from distant objects
B
To magnify visible light for clearer images
C
To detect gravitational waves
D
To study the Sun's corona