眩晕的病变部位在于（）
A.心
B.肝
C.脾
D.肾
E.头窍
参考答案：E
玫瑰香脂在低于（）摄氏度时，会产生凝固现象。
A、16
B、18
C、20
D、15
Our company has been made one of the largest manufacturers in the field of chemical industry.
A．become, in
B．made, in field of
C．became, in the field
D．been made of, in
