读课文《安恩和奶牛》，她就用这副神情接连打发走了许多主顾，这便____（迫不及待 理所应当 理直气壮）地引起大家对她的注意。
周恩来为了促进万隆会议的圆满成功，提出的方针是（ ）
若a= ∫02 x2dx，b= ∫02 x3dx，c= ∫02 sinxdx，则a，b，c从小到大的顺序为____．
从方框中选择恰当的语句，补全对话。
A.Yes, she is.
B.He's my brother.
C.No, he isn't.
D.He's my brother.
Cheng Jie: Who's that boy?
Amy:____
Cheng Jie: Is she your mother?
Cheng Jie: Is he your father?
X和Y是原子序数大于4的短周期元素，Xm＋和Yn－两种离子的核外电子排布相同，下列说法中，正确的是( )
—Sorry, I don't know, either.
