休克病人若中心静脉压低、血压正常，处理原则是：（）
A.充分补液
B.适当补液
C.用强心药物
D.舒张血管
E.补液试验
参考答案：B
I think dogs are good enough for _____ to take care of. [ ]
A. a 80-year-old grandmother
B. a 80-years -old grandmother
C. an 80-year-old grandmother
D. an 80-years -old grandmother
语言的表达形式有哪些？
