胸痛憋闷,痛引肩臂的临床意义是()
A.胸痹
B.真心痛
C.肺痈
D.肺痨
E.肺胀
参考答案:A
Thanks for ________ the secret ________ me.
A.keep, for
B.keeping, for
C.keep, at
D.keeping, to
若要求在文本框中输入文本时达到密码“*”的显示效果,则应该设置的属性是
A.默认值
B.有效性文本
C.输入掩码
D.密码