(8分)按要求写出有水参与的氧化还原反应的化学方程式
(1)水是氧化剂:
(2)水是还原剂:
(3)水既不是氧化剂也不是还原剂:
(4)水既是氧化剂也是还原剂:
略
Neither the cup nor the glass ______ made ______ plastic, but they are used for ______. [ ]
A. is; from; drinking
B. is; of; drinking
C. are; from; drinking
D. are; of; to drink
痞满应注意与哪些病相鉴别诊断()
A.胃痛
B.臌胀
C.胸痹
D.真心痛
E.结胸