2. 考研
  3. Cyber technology is among the few core technologies whose edges must be sharpened domestically to maintain social stability and_

Cyber technology is among the few core technologies whose edges must be sharpened domestically to maintain social stability and_

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问题 Cyber technology is among the few core technologies whose edges must be sharpened domestically to maintain social stability and______ the national interests.
选项 A、safeguard
B、prevent
C、protest
D、save
答案A
解析 safeguard“保护，捍卫”；prevent“防止，预防”；protest“抗议，主张”；save“解救，保存，保全”。根据题意，本题选A。
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