在数据18、38、22、43、59中,中位数是( ),它们的平均数是( )。
38;36
B.第二类永动机不可能制成是因为它违反了能量守恒定律
C.热力学第一定律和热力学第二定律是相互独立的
D.热力学第二定律的两种表述是等效的
Though she _______for a moment, she finally went in and asked to see a dress that was in the window.
A.dared
B.nerved
C.wondered
D.hesitated