17. Heartbleed, a bug widely replicated in the main system for encrypting consumers’ online data, is a ________ reminder that the Internet is still vulnerable to all sorts of unseen dangers.
(A) gratified
(B) tangible
(C) stark
(D) frail

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統計： A(1), B(20), C(15), D(3), E(0) #597767

詳解 (共 1 筆)

#885015
A.gratify 使高興.使滿足
B.tangible 可觸摸的
C.stark (外表)僵硬的.完全的.明顯的.突出的
D.frail 脆弱的.不堅實的
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