如果身体发出“咯咯”声,那么意味着我们练习瑜伽走火入魔,将要发生危险。
参考答案:错
Carl is studying food science at college and hopes to open up meat processing factory of his own one day.
A./ ; a
B./ ;the
C.the; a
D.the; the
简述营养性缺铁性贫血的病因。