在补体成分中,具有促进吞噬细胞吞噬作用的是() A.C1q B.C3a C.C3b 发布时间:2017-06-04 09:47 │ 来源:www.tikuol.com 题型:单项选择题 A1/A2型题 问题: 在补体成分中,具有促进吞噬细胞吞噬作用的是()A.C1qB.C3aC.C3bD.C5aE.C2a
题型:单项选择题 A1/A2型题 Lizzie was______ to see her friend off at the airport. A a little more than sad B more than a little sad C sad more than a little D a little more than sad 查看答案
题型:单项选择题 A1/A2型题 下列程序段的执行结果为a=95If a>60 Then I=lIf a>70 Then l=2If a>80 Then I=3If a>90 Then I=4Print"I=":IA.I=1B.I=2C.I=3D.I=4 查看答案