73.Our earth,one planet the solar system,is only a very small part of the ____.

A.universal B.university C.universe D.union

74.The house was sold for 60,000 dollars,which was far more thean its real ____.

A.cost B.value C.price D.worth

73.答案是C,

此题考查词汇，universe,宇宙。

74.答案是B，

此题考查语境和词汇，value,价值。