【单选题】_______checks for maintenance are performed regularly, you are not assured of reliable, quality service.
【单选题】It is known to all that _____ you exercise regularly, you won't stay in good health. [ ]
【单选题】What quantities of the specified item can you regularly deliver ()short notice?
【单选题】It is known to all that _____ you exercise regularly, you won't keep good health. [ ]
【判断题】隧道晚点进洞可以缩短隧道长度,节省成本,所以在确定隧道时应该尽可能早进洞。
【简答题】Your body has ______ to stay lean when you exercise regularly.
【单选题】It is known to all that ____ you exercise regularly, you won’t stay healthy.