【单选题】你问你同桌 David 最喜爱的运动是什么,应说: [ ]
A.
What’s your favourite food, David?
B.
What’s your favourite sport, David?
C.
What’s your hobby, David?
【单选题】已知某理想气体的摩尔数为V,气体分子的自由度为i,k为玻耳兹曼常量,R为摩尔气体常量,当该气体从状态1(p1,V1,T1)到状态2(p2,V2,T2)的变化过程中,其内能的变化为( )。
【单选题】下列哪种材质的设备适用于次氯酸钠的储存( )
【单选题】下列哪种材质的设备适用于次氯酸钠的储存()。
【单选题】听力原文:W: So, what's your major? M: Well, (19) I've been thinking of going into business, but I haven't decided yet. And my dad keeps telling me that computing is a good choice, but I'm undeclared at th...
D.
He hasn't decided yet.
【单选题】已知某理想气体的摩尔数为v,气体分子的自由度为i,k为玻耳兹曼常量,尺为摩尔气体常量。当该气体从状态1(p1,V1,T1)到状态2(p2;V2,T2)的变化过程中,其内能的变化为( )。
【单选题】君君读一本书,上午他从第10页读到15页。上午读了( )页。
【单选题】听力原文:W: What are your favorite sports? M: I like football best. Q: What is the man's favorite sport? (23)