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问题
判断题
提高功率因数,常用的技术措施是并联电容器。()
答案
参考答案:
对
补全对话,情景问答
给下列问句选择答语。
( ) 1. Hello, Danny!
( ) 2. How are you?
( ) 3. What's your name?
( ) 4. Nice to meet you.
( ) 5. Are you ready for school?
A. Fine, thanks.
B. Hi, Jenny!
C. Yes!
D. My name is Li Ming.
E. Nice to meet you.
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问答题 简答题
讲解语言的八要素是什么?
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