Question

Although everything seems to have been taken into consideration, ________ acc...

Although everything seems to have been taken into consideration, ________ accident can happen when the astronauts walk in ________ space. A．/; the B．an; the C．the; the D．an; /

Answer 1

D

考查冠词。第一空填不定冠词表泛指，第二空space“太空”前不加冠词，故选D项。