【判断题】评价水泥质量时,水泥中凡不溶物、烧失量、氧化镁、氧化硫、氯离子、凝结时间、安定性和强度中的任一项指标不符合国家标准要求时,则该水泥为废品。
【单选题】火花塞可分为冷型和热型火花塞,冷型火花赛适用于( )的发动机。
【单选题】I got an A this term, so my teacher was _____. [ ]
【判断题】铰链四杆机构中,取最短杆对边为机架时得到双摇杆机构。( )
【判断题】铰链四杆机构中,取最短杆对边为机架时得到双摇杆机构。
【单选题】A requirements specification is( ).
A.
a rough list of things that the proposed software ought to do
B.
a precise list of things that the proposed software ought to do
C.
a formal list of things that the proposed software must do
D.
an estimate of the resources (time,money,personnel,etc)which will be required to construct the proposed software .
【判断题】烧失量、氧化镁、氧化硫、氯离子、凝结时间、安定性和强度中的任一项指标不符合国家标准要求时,则该水泥为废品。
【简答题】A.affect B.sway C.persuade D.impress
【简答题】(impress) The list of their achievements is pretty .