根据电路中电流的流通方向不同,可分为直流电路和交流电路。
参考答案:错
用所给单词的适当形式填空。
1. My work is interesting but kind of (danger). (thief) are afraid of me.
2. People give me (they) money or get their money from (I).
3.—What your friend Jim do?
—He (be)a reporter.
4. Where does (Tom) grandma work?
5. Jim likes (talk) to people. He wants (be) a (report).
变造会计凭证是指用涂改、挖补等手段改变会计凭证真实内容的行为。( )