【简答题】A.Air traffic conditions. B.Road conditions. C.New traffic rules. D.Traffic jams on highways.
【简答题】All of these conditions are to be expected after ___________.
【单选题】Under normal operating conditions, the highest temperature and pressure conditions existing in a flash-type evaporator will occur in the _____.
D.
salt water feed heater
【单选题】操作系统对磁盘进行读写操作的物理单位是( )
【简答题】A.The conditions of the girls as child labor. B.The conditions in Asian factories. C.Working hours and payment. D.Woman labor force.