A. unlikely to fall apart over a long period of time
B. more amenable to computer modeling
C. less susceptible to powerful impacts
D. not likely to collide with another object
E. more readily observed by astronomers
我的答案: 无
A. unlikely to fall apart over a long period of time
B. more amenable to computer modeling
C. less susceptible to powerful impacts
D. not likely to collide with another object
E. more readily observed by astronomers
我的答案: 无