移动式油机的机油过少会导致机油压力过（），从而不能起动或起动后立即停机 ["大","小"]
垃圾填埋场防渗系统中最为重要的部分是（） ["垂直防渗系统","场底防渗系统","水平防渗系统"]
给下面的语言单位注音，指出其中的音变现象。
一个
View the Exhibit and examine the highlighted alert. You have received an alert with the Category specified as Snapshot Too Old. Which page would you open from the Advisor Central page to determine the system recommendations to avoid such alerts in future?（） ["ADDM ","Memory Advisor ","Segment Advisor ","Undo Management ","SQL Tuning Advisor ","SQL Access Advisor"]
认知策略的学习具有以下特点：（） ["支配认知策略的规则具有内潜性","支配认知策略的规则具有高度概括性","支配认知策略的规则具有模糊性","支配认知策略的规则多数是启发式的"]
中外合资经营企业的特征有哪些？
