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皮皮学刷刷变学霸
举一反三
【简答题】用化学术语回答下列问题: (1)书写电离方程式:氢氟酸______; (2)书写水解离子方程式:硫酸铝______; (3)电解硝酸银溶液电极反应式(惰性电极)①阳极:______;②阴极:______.
【单选题】Who can tell me _____ at the meeting? [     ]
A.
what he said
B.
he said what
C.
what did he say
D.
bow he said
【单选题】It was not what he said but the way he said it ____ made me angry.
A.
what
B.
which
C.
when
D.
that
【单选题】Not a single word _____ at the meeting yesterday. [     ]
A.
he said
B.
said he
C.
did he say
D.
he didn't say
【单选题】下列电离方程式中书写正确的是 [     ]
A.
B.
C.
【单选题】以下选项中,属于大叶性肺炎的基本病变的是()
A.
渗出
B.
增殖
C.
纤维化
D.
肺水肿
【简答题】人教版七年级下册英语课时练Unit4Section A(Grammar Focus-3c)答案
【单选题】It was not what he said but the way he said it ______ made a great difference to me at last..
A.
what
B.
that
C.
before
D.
when
【单选题】下列化学方程式或电离方程式书写完全正确的是 [     ]
A.
B.
C.
【简答题】按要求书写下列方程式。 ① NaHCO 3 溶液的电离方程式: 。 ② H 2 S溶液的电离方程式: 。 ③ NH 4 NO 3 溶液的水解离子方程式: 。 ④ Na 2 CO 3 溶液的水解离子方程式: 。
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