骨折引起脂肪栓塞是由于( )。
A.病人肥胖
B.脂肪肝
C.骨筋膜室压力过高
D.创伤的应激作用
E.静脉压力增高
参考答案:C
I have two sisters. One is a teacher, ____ is a doctor. [ ]
A. other
B. another
C. others
D. the other
光周期理论在农业生产上应用有哪些方面?