对判断霍乱脱水程度最有意义的临床检查是
A．皮肤黏膜弹性B．血压C．血细胞比容D．血钠E．血浆比重
参考答案：E
—What does the sign"" mean?
—It means "______". [ ]
A. Turn left
B. No crossing
C. Cross road
D. Don't turn left
巩膜静脉窦（sinus venosus sclerar）
" mean?