Question 5
The author suggests that at least some of “a number of difficult problems...”can be understood by
A. extrapolating from observable phenomenon
B. anticipating the result of the collision of small bodies
C. studying the rate of accretion on planets
D. observing the internal process of planets
E. discounting the dynamics of how orbits change over time
我的答案： 无
Question 5
The author suggests that at least some of “a number of difficult problems...”can be understood by
A. extrapolating from observable phenomenon
B. anticipating the result of the collision of small bodies
C. studying the rate of accretion on planets
D. observing the internal process of planets
E. discounting the dynamics of how orbits change over time
我的答案： 无