哪种保健功能卫生部不受理和批准（ ）。
A．抗疲劳
B．辅助抑制肿瘤，防癌
C．减肥
D．调节血脂
参考答案：B
_____, his suggestion is not useful, though it sounds very interesting. [ ]
A. Generally speaking
B. To be honest
电线为什么要避免重物压住？
