题干
— ________ is the weather in Linshu?
— ________ windy.
A：What; It's
B：How; It's
C：How; It
D：What; It
答案(点此获取答案解析）
B
— ________ is the weather in Linshu?
— ________ windy.
A：What; It's
B：How; It's
C：How; It
D：What; It
的展开式中的第3项与第5项的系数的比为
则展开式中的常数项是（ ）