以下哪一个细胞因子对巨噬细胞功能无抑制作用（） A.TGF-β B.IL-13 C._爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题 A1型题

以下哪一个细胞因子对巨噬细胞功能无抑制作用（）

A.TGF-β

B.IL-13

C.IL-4

D.IL-12

E.IL-10

答案

参考答案：D

选择题

A bird has two ______.[ ]

A. beaks

B. feathers

C. wings

补全对话，情景问答

给问句选择合适的应答句。

( ) 1. What colour is your shirt?
( ) 2. Where's my jacket?
( ) 3. How many students are there in your class?
( ) 4. What time is it?

A. It's in your bag.
B. It's six thirty.
C. Blue.
D. Fifty-five.