下列哪一项不是轮椅坐垫具备的条件()
A、均压性
B、透气性
C、散热性
D、柔软性
E、吸湿性
参考答案:D
We couldn't trust her for she is always____. Look, she ____ some eggs on the table and said
these newly- ____ eggs were her own. In fact they were her neighbor's. [ ]
A. lying; lay; laid
B. laying; lied; lain
C. lying; laid; laid
D. laying; lay; lain
下列反应既不属于分解反应,也不属于化合反应的是( )
A.
B.
C.
D.