式子有意义的条件是1+x＞0，
解得x＞-1，
故选D．
The old woman who in the deserted house alone for ten years has been settled in a nursing home now.
A．lived
B．has lived
C．had lived
D．has been living
国家权力机关有权对本级人民政府的公安机关工作中的违法违纪行为提出议案。要求公安机关报告有关情况，改正错误、不适当的行为。（）
