【柯文容】評論
(C)週期的
【Theo】評論
having _____ health check in order to prevent diseases.___健康檢查預防疾病(C)periodic -occurring or appearing at regular intervals: 週期interval- a period of time between two events:間隔---(A) temporary - 短暫(B) irregular -without symmetry, even shape, formal arrangement, etc.:不規則(D) contemporary -of about the same age or date: 同時代, 當代,現代