We are _____________ a party. [ ]
A. have
B. has
C. having
答案:C
女性生殖系统疾病的恶性肿瘤中,化疗治疗效果相对最好的是()
A.宫颈癌
B.卵巢癌
C.子宫内膜癌
D.绒毛膜癌
E.输卵管癌
橡胶的压缩疲劳