1At the meeting they discussed three different ______ to the study of mathematics.
A.approaches B.means C.methods D.ways
解析:句意:在会议上他们讨论了学数学三种不同的方法。approach后面常接介词to;其他三项常接介词of;way后除了接介词of外,也可以接动词不定式。
答案:A
2______ money,it remains to be seen whether we can put the idea into practice.
A.Lacking B.Lacked C.To lack D.Having lacked
解析:句意:由于缺钱,我们能否把这个想法付诸实施还有待观察。lacking money是现在分词短语作原因状语。
答案:A