我国规定苋菜红在食品中的用量为（）g/Kg。
A、0.05
B、0.025
C、0.01
D、0.1
参考答案：A
简述确定上机张力原则？
People started to dig in the area for treasure, ____ caused much damage.
A．which
B．where
C．what
D．that
