【題目】New technology should provide a ________ firewall against hackers (黑客) .

A.swiftB.sincereC.straightD.secure

【答案】D

【解析】

考查形容詞辨析。句意:新技術(shù)應(yīng)該為黑客提供一個(gè)安全的防火墻。A. swift敏捷的;迅速的;B. sincere誠(chéng)摯的;C. straight直的;D. secure安全的;無(wú)慮的。根據(jù)句意故選D

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