◎ 题干
Having a cell phone makes us feel safer,since we can call for help    an emergency.
[     ]
A. in terms of    
B. in eonsequence of    
C. in case of    
D. in place of
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Having a cell phone makes us feel safer,since we can call for helpan emergency. [ ]A. in terms of B. in eonsequence ofC. in case of D. in place of…”主要考查了你对  【介词和介词短语】  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。