治疗成年奶牛前胃弛缓或生产瘫痪,一次性静脉注射10o/oCaQ2的常用剂量为()
A.30-50ml
B.150-200ml
C.300-400ml
D.500ml以上
参考答案:B
What does the new system enable the farmers to do a. Produce vegetables of better taste. b. Transport produce more quickly. c. Grow crops in nontraditional climates. d. Keep vegetables fresh for a longer period.
一般认为,在柏拉图的一系列对话体作品中,围绕()问题的对话主要体现了苏格拉底的思想。