未成熟型畸胎瘤属于（）
A.腺癌
B.鳞状细胞癌
C.印戒细胞癌
D.黏液腺癌
E.髓样癌
参考答案：D
(2014·福州市高中毕业班质量检查)Across all media，people are debating about________we need to keep track of every school bus on China’s road.
A．how
B．whether
C．which
D．where
在Visual FoxPro中，调用表设计器建立数据库表STUDENT.DBF的命令是______。
A．MODIFY STRUCTURE STUDENT
B．MODIFY COMMAND STUDENT
C．CREATE STUDENT
D．CREATE TABLE STUDENT
