AGC包含哪两个部分（）。
A. 负荷加速器
B. 负荷分配器
C. 发电机组监控器
D. 发电机组控制器
According to dialogue 2，what qualifications（资质） should be considered for a capable agent?
A. business experience in the needed line（行业）
B. good business connections with sellers of different levels
C. promise of a relatively large minimum annual sales
D. familiarity（熟悉 n.） with customers' needs
According to dialogue 2, which sort of agent is being applied for（申请）?
A. exclusive agent
B. non-exclusive agent
C. general agent
D. not mentioned
PHP语言提供了多种类型的运算符，即专门用于（）或（）的符号。
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