第5题: [单项选择]______ nobody was very enthusiastic about it, they decided to cancel the trip. A. Provided B. On condition that C. See to it that D. Seeing that 参考答案:D 答案解析:Seeing that…“鉴于;由于”,用来表示比较明显的原因。A.Provide(that)和B.on condition(that)在……情况下,倘若,用来引导条件状语从句;C.See to it
第29题: [单项选择]Preventive maintenance (). A. should not be carried out during the watches B. can only be carried out in port C. is a kind of maintenances carried out prior to the occurrence D. is a kind of maintenances carried out after the occurrence 参考答案:C