(Practical) problems limit the (ability) of astronomers to determine the mass of

游客2024-01-05 37

问题 (Practical) problems limit the (ability) of astronomers to determine the mass of asteroids,(who) are small planetary bodied (orbiting) the Sun.

选项 A、Practical
B、ability
C、who
D、orbiting

答案 C

解析

转载请注明原文地址:https://www.tihaiku.com/zcyy/3335329.html

相关试题推荐

随机试题

最新回复(0)

ChooseTWOletters,A-E.WhichTWOproblemsdoesSamidentifyconcerningthelec