题目内容

每个单格电池中,正极板比负极板多一片。

A. 对
B. 错

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隔板可防止相邻正负极板彼此接触而短路。

A. 对
B. 错

Direction: Translate the following passage from English to ChineseThe media change with developments in technology. The most important recent change in mass media is the growth of the Internet. Today, more and more people get their news, information, and even education from the Internet. All of the traditional forms of mass media are now available on the Internet. Another important aspect of the media on the Internet is the widespread participation of ordinary people. Today, anyone with a computer and a connection to the Internet can be the author of media content. Ordinary people can upload a video, or publish a news story online.

具有缓冲性质的是()?

A. 氨水与醋酸钠
B. 氨水(过量)与盐酸
C. 醋酸钠与醋酸铵
D. 醋酸与氢氧化钠(过量)

下列属于序时账的有()。

A. 银行存款总账
B. 银行存款日记账
C. 库存现金总账
D. 库存现金日记账

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