我国女性生殖器恶性肿瘤发生率最高的是
A．子宫颈癌
B．子宫肉瘤
C．绒毛膜上皮癌
D．子宫内膜癌
E．卵巢癌
参考答案：A
She remained _____ for a while after the movie ended, which made others _____. [ ]
A. sitting; puzzling
B. sat; puzzled
C. seated; puzzled
D. seated; puzzling
直达声及其后50ms内的声能与全部声能的比值被定义为（）。
A.IACC
B.明晰度
C.清晰度
D.响度
