Although everything seems to have been taken into consideration, ____ accident can happen when the astronauts walk in _____ space.
A.不填;the
B.an;不填
C.the;the
D.an;the
网友回答
B解析试题分析:第一空表泛指,并没强调是哪起事故,故用不定冠词an,in space 在太空上,为固定短语。句意:尽管一切事情都已考虑,但宇航员在太空行走时还是有可能发生事故。考点:冠词习惯用法点评:解答有关冠词的题型,可以从两方面入手,一是习惯搭配,二是固定短语。对于固定短语平 时应多读多记。