The
Earth is __________ rotating on its axis. ()
A: constantly
B: opposite
C: false
D: constant
Earth is __________ rotating on its axis. ()
A: constantly
B: opposite
C: false
D: constant
举一反三
- 将df的行索引降序+列索引升序排序，正确的方法是（ ）。 A: 先df.sort_index(axis = 0,ascending = False)，然后df.sort_index(axis = 0,ascending = True) 。 B: df.sort_index(axis = 0,ascending = True).sort_index(axis = 1,ascending = False)。 C: df.sort_index(axis = 0,ascending = False).sort_index(axis = 1)。 D: 先df.sort_index(axis = 0,ascending = False)，然后df.sort_index(axis = 0) 。
- 翻译：“In these graphs the horizontal axis measures time, increasing toward the right away from the vertical axis.”
- The reason _______ nothing on earth is motionless is_______ the earth is in constant motion(运动).
- True or False: If the Earth's atmosphere did not have the Greenhouse Effect, the Earth would be much warmer. A: True B: False
- If the section figure has a symmetry axis, then for the figure ( ) to its symmetry axis. A: Both the static moment of inertia and the moment of inertia are not zero; B: Both the static moment of inertia and the moment of inertia are zero; C: The static moment of inertia is not zero, the moment of inertia is zero; D: The static moment of inertia is zero, the moment of inertia is not zero.