可用来编辑现有表单域属性的工具是（）A.与表单域相对应的表单工具 B.TouchUp

The child _____ parents were killed in the air crash is now living with his aunt．

A．whose

B．his

C．who

D．whom

重要空白凭证包括（）。

A.存单

B.汇票

C.支票

D.存折

客房计划卫生包括哪些内容？

William Sidney Porter, known as O. Henry, is most famous for ______.

A. his poems


B. his plays
C. his short stories


D. his novels

湿地被称之为( )。

A．地球之肺
B．地球之肾
C．地球之心
D．地球之源