题目

 Nobody but doctors, nurses or those_______ by Dr. Hu_______ to enter the patient’s room. A. invited; are allowed                         B. are invited; are allowed C. are invited; is allowed                            D. invited; is allowed 答案：【解析】选D。考查非谓语动词和主谓一致。第二空的谓语单复数与but后面的成分无关，与Nobody保持一致，故使用单数；第一空使用过去分词作后置定语，故选D项。已知p：（x-m+1）（x-m-1）＜0；q：，若p的充分不必要条件是q，则实数m的取值范围是    ．