In Libya,many people have no places_______[ ]
A.to go
B.to go to
C.going
D.go
答案:B
高渗性脱水()
A.2:3:1混合液
B.1/3~1/5张含钠液
C.4:3:2混合液
D.2:1等张含钠液
E.1:4含钠液
补体经典途径激活顺序是()
A.C123456789
B.C124536789
C.C145236789
D.C142356789
E.C124356789