【简答题】A.S-(R-S) B.R-(R-S) C.(R-S)∪S D.R∪(R-S)
【多选题】新能源汽车号牌说法正确的是( )
B.
字母“ F”代表非纯电动汽车(包括插电式混合动力和燃料电池汽车等)
C.
小型汽车号牌中“D”或“F”位于号牌序号的第一位
D.
大型汽车号牌中“D”或“F”位于号牌序号的最后一位
【单选题】If you want to send your recording email, connect the recorder your computer.
【单选题】If you want to send a letter, you should go to the ____________. [ ]
【简答题】A.πA,D(σC=D(R×S)) B.πA,R,D(σS,C=R,D/(R×S)) C.πA,R,D(σR,C=S,D(R×S)) D.πR,A,D(σS,C=S,D(R×S))
【单选题】If you want to send your recording ___ email, connect the recorder ___ your computer. [ ]
【单选题】--- What do you think of the book ? --- Oh , excellent . It’s worth __________ a second time .
【单选题】If you want to send a letter, you can go to the ____.
【判断题】随着压力的升高,汽化吸热量减小,过热吸热量逐渐增大,过热器和再热器的布置向烟温更高区发展。( )