判断以下语法表述的对错。“We've been living here for ten years.”This sentence means the same as:“We've lived here for ten years.”
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不论任何原因使通过回路的磁通量发生变化时，回路中产生的感应电动势与磁通量对时间的变化率成正比。
A. 对
B. 错
产生动生电动势的非静电力是洛伦兹力，产生感生电动势的非静电场力是涡旋电场力。
A. 对
B. 错
一对共轭调和函数的乘积仍为调和函数. ( )
A. 对
B. 错
Question 1[音频]
A. Female and male managers are equally welcome.
B. There is an increasing gender gap in the business field.
C. A small number of people would choose a female boss.
D. Nearly half of the respondents would choose a male boss.
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