Because Sarah has always saved __________, she is now able to afford a big house.
A:what little she earns
B:how little she earns
C:for little she earns
D:with little she earns
下列工业部门中,俄罗斯不够发达的是( )
用一个平面去截下列几何体:①正方体;②圆锥;③圆柱;④正三棱柱,得到的截面形状可能为三角形的有____(写出所有正确结果的序号)
What _______ your favourite day?( )
在等比数列{an}中,a1=8,a4=a3a5,则a7=( )