Living in a highly society, you definitely have to arm yourself with modern technology and skills.
A. petitive
B. fierce
C. attractive
D. sensitive
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(答案→)A. petitive
B. fierce
C. attractive
D. sensitive
解析：考查形容词辨析。句意：生活在一个竞争激烈的社会，你一定得用现代科技和技能来武装自己。A竞争的；B凶猛的，激烈的；C有吸引力的；D敏感的。故选A。