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纽扣电池是一种常用的微型银锌电池，在电池内装有氧化银和锌等物质。当电池工作时，主要是锌与氧化银反应生成一种单质和一种化合物从而产生电流，此反应的化学方程式为 ，该反应属于 反应(填基本反应类型)。其中锌元素的化合价由 价转变为 价。
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参考答案：
举一反三
【单选题】—What could I get my father for Father’s Day? — _____getting him a tie?
A.
Why not
B.
How about
C.
Why don't’ you
D.
Why about
查看完整题目与答案
【单选题】3月300名大学生在华盛顿抗议削减学生贷款基金的提案。另外有35万大学生在3月期间涌向佛罗里达的阳光海滩度“春假”。因为在佛罗里达晒太阳的人数要多一些，所以他们比在华盛顿抗议的学生更能代表当今的学生，因此国会无需注意抗议学生的呼吁。上面的论证进行了下面哪个假定?
A.
在佛罗里达度假的学生不反对国会削减学生贷款基金提案。
B.
在佛罗里达度假的学生在削减学生贷款基金提议问题上与大多数美国公民意见一致。
C.
在华盛顿抗议的学生比在佛罗里达度假的学生更关心其学业。
D.
既没去华盛顿抗议也没有去佛罗里达度假的学生对政府的教育政策漠不关心。
E.
影响议会关于某政治问题的观点的最好方法是华盛顿与其选举出来的代表交流。
查看完整题目与答案
【判断题】英国的国花是玫瑰花。
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：M: It's such a beautiful day. Why not sit out in the backyard for a while and enjoy it? W: I'd love to. But there's a lot of laundry to do. What will the woman probably do?
A.
Do her homework,
B.
Clean the backyard.
C.
Wash clothes.
D.
Enjoy the beautiful day.
查看完整题目与答案
【单选题】听力原文：W: It was such a heavy fog day yesterday and today it's such a fine day. Why don't we climb the mountain? M: Oh, I would love to, Susan, but I have been sick for a few days and all that exercise ...
A.
He wouldn't go because he didn't feel well.
B.
He wouldn't go because he didn't like Susan.
C.
He would go because that exercise might do him good.
D.
He would go though he was sick.
查看完整题目与答案
【单选题】听力原文：W: It was such a heavy fog day yesterday and today it's such a fine day. Why don't we climb the mountain? M: Oh, I would love to, Susan, but I have been sick for a few days and all that exercise ...
A.
He wouldn't go because he didn't feel well.
B.
He wouldn't go because he didn't like Susan.
C.
He would go because that exercise might do him good.
D.
He would go though he was sick.
查看完整题目与答案
【判断题】美国的国花是玫瑰花。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】——Why, this is nothing but common vegetable soup! ——, madam. It’s our soup of the day.
A.
Let me see
B.
So it is
C.
Don’t mention it
D.
Neither do I
查看完整题目与答案
【多选题】( )等国家的国花是玫瑰
A.
美国
B.
德国
C.
澳大利亚
D.
新西兰
E.
英国
查看完整题目与答案
【判断题】英国的国花是玫瑰花。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】—What could I get my father for Father’s Day? — _____getting him a tie?
A.
Why not
B.
How about
C.
Why don't’ you
D.
Why about
查看完整题目与答案
【单选题】3月300名大学生在华盛顿抗议削减学生贷款基金的提案。另外有35万大学生在3月期间涌向佛罗里达的阳光海滩度“春假”。因为在佛罗里达晒太阳的人数要多一些，所以他们比在华盛顿抗议的学生更能代表当今的学生，因此国会无需注意抗议学生的呼吁。上面的论证进行了下面哪个假定?
A.
在佛罗里达度假的学生不反对国会削减学生贷款基金提案。
B.
在佛罗里达度假的学生在削减学生贷款基金提议问题上与大多数美国公民意见一致。
C.
在华盛顿抗议的学生比在佛罗里达度假的学生更关心其学业。
D.
既没去华盛顿抗议也没有去佛罗里达度假的学生对政府的教育政策漠不关心。
E.
影响议会关于某政治问题的观点的最好方法是华盛顿与其选举出来的代表交流。
查看完整题目与答案
【判断题】英国的国花是玫瑰花。
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：M: It's such a beautiful day. Why not sit out in the backyard for a while and enjoy it? W: I'd love to. But there's a lot of laundry to do. What will the woman probably do?
A.
Do her homework,
B.
Clean the backyard.
C.
Wash clothes.
D.
Enjoy the beautiful day.
查看完整题目与答案
【单选题】听力原文：W: It was such a heavy fog day yesterday and today it's such a fine day. Why don't we climb the mountain? M: Oh, I would love to, Susan, but I have been sick for a few days and all that exercise ...
A.
He wouldn't go because he didn't feel well.
B.
He wouldn't go because he didn't like Susan.
C.
He would go because that exercise might do him good.
D.
He would go though he was sick.
查看完整题目与答案
【单选题】听力原文：W: It was such a heavy fog day yesterday and today it's such a fine day. Why don't we climb the mountain? M: Oh, I would love to, Susan, but I have been sick for a few days and all that exercise ...
A.
He wouldn't go because he didn't feel well.
B.
He wouldn't go because he didn't like Susan.
C.
He would go because that exercise might do him good.
D.
He would go though he was sick.
查看完整题目与答案
【判断题】美国的国花是玫瑰花。()
A.
正确
B.
错误
查看完整题目与答案
【单选题】——Why, this is nothing but common vegetable soup! ——, madam. It’s our soup of the day.
A.
Let me see
B.
So it is
C.
Don’t mention it
D.
Neither do I
查看完整题目与答案
【多选题】( )等国家的国花是玫瑰
A.
美国
B.
德国
C.
澳大利亚
D.
新西兰
E.
英国
查看完整题目与答案
【判断题】英国的国花是玫瑰花。
A.
正确
B.
错误
查看完整题目与答案
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