◎ 题干
The new technology has opened up a very wide ______ of possibilities.

[     ]

A. range
B. extent
C. number
D. collection
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“The new technology has opened up a very wide ______ of possibilities. [ ]A. range B. extent C. number D. collection …”主要考查了你对  【名词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。