题干
The Parkers bought a new house but ______ will need a lot of work before they can move in.
A：they
B：it
C：one
D：which
答案(点此获取答案解析）
B
A：they
B：it
C：one
D：which
为公比q＞1的等比数列，若
是方程
的两根，则
的值是（ ）
