具有女性化作用的肿瘤是()
A.支持细胞一间质细胞瘤
B.卵泡膜细胞瘤
C.纤维瘤
D.皮样囊肿
E.黏液性囊腺瘤
参考答案:B
等比数列{an}中,S3=7,S6=63,则q可为( )
A.2
B.-2
C.3
D.-3
连词成句。
1. help, let, Tom, you
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2. train, take, Let's, a
3. ready, you, Are, quiz, for, a
4. a, good, trip, We, to, have, Beijing
5. leaves, The, 11: 25, train, at