船壳外板的编号“SC4”表示()
A.左舷C列第4板块
B.左舷S列C行第4块板
C.右舷S列C行第4块板
D.右舷C列第4块板
参考答案:D
Qiong Yao with her works____ very popular with us young people.
A.be
B.are
C.were
D.become
月经先后无定期,若迁延失治则可转化为()
A.崩漏
B.闭经
C.二者均可
D.二者均不可