Reading Comprehension
试题详情
题目：
The author of the passage mentions “escape velocity” (see line 22) in order to help explain which of the following?
选项:
A、The tendency for asteroids to become smaller rather than larger over time
B、The speed with which impact fragments reassemble when they do not escape an asteroid’s gravitational attraction after a collision
C、The frequency with which collisions among asteroids occur
D、The rotation rates of asteroids smaller than 200 meters in diameter
E、The tendency for large asteroids to persist after collisions
答案:
E
