阿摩線上測驗
29 Firefighters should particularly bear in mind that radio signal _______in some types of buildings can be limited.
(A) intrusion
(B) decoding
(C) penetration
(D) relocation
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統計： A(64), B(93), C(164), D(70), E(0) #2940318
統計： A(64), B(93), C(164), D(70), E(0) #2940318
