Question

In science fiction we read of flying saucers travel through _____ space, so people want to have ______ better knowledge of the universe.

A．the; a

B．/; /

C．the; /

D．/; a

Answer 1

D

space作“太空；空间”讲时，是不可数名词，前不需冠词。have a knowledge of 意为“对……理解/ 熟悉”。如：He has a good knowledge of politics.（他对政治非常熟悉）。故D是正确答案。