翻拍中常用的器材中为了提高翻拍图像的清晰度，三脚架或翻拍架是不可缺少的器材。( )
参考答案：对
When ____ to feel unworthy, children often work extra hard to please their parents．
A．to make
B．making
C．made
D．having made
雷火针灸属于（）。
A.间接灸
B.直接灸
C.艾卷灸
D.天灸
E.温针灸
