5. 專用於J3E無線電話，提供遇險使用之頻率，下列何者為正確？ (A) 500KHZ (B) 2182 KHZ (C) 2187.5KHZ (D) 158.6KHZ

7. By SMCP, choose one of the following sentences for expressing “SRU is underway to distress position to render assistance.” (A) “I am coming to get you”. (B) “I am underground to assist you”. (C) “I am proceeding for your hospitality” (D) “I am proceeding to your assistance”.