以下()标签用来建立无序列表。 A: 〈ol〉〈/ol〉 B: 〈ul〉〈/ul〉 C: 〈dI〉〈/dl〉 D: 〈ill〉〈/il〉
以下()标签用来建立无序列表。 A: 〈ol〉〈/ol〉 B: 〈ul〉〈/ul〉 C: 〈dI〉〈/dl〉 D: 〈ill〉〈/il〉
在免疫应答中发挥负调节效应的细胞因子是 A: TNF 、 IFN 、IL -1 B: IL -4、 IL -3、 IL -5 C: IL -2、 IL -10、 IL -12 D: TGF -ß、 IL -10、 IL -13 E: IL -6、 IL -3、 IL -5
在免疫应答中发挥负调节效应的细胞因子是 A: TNF 、 IFN 、IL -1 B: IL -4、 IL -3、 IL -5 C: IL -2、 IL -10、 IL -12 D: TGF -ß、 IL -10、 IL -13 E: IL -6、 IL -3、 IL -5
既属于免疫球蛋白基因超家族又属于造血因子受体超家族的是 A: IL—6受体、IL—2受体 B: IL—2受体、IL—4受体 C: IFN-α受体、IFN—γ受体 D: IL—8受体 E: IL—1受体
既属于免疫球蛋白基因超家族又属于造血因子受体超家族的是 A: IL—6受体、IL—2受体 B: IL—2受体、IL—4受体 C: IFN-α受体、IFN—γ受体 D: IL—8受体 E: IL—1受体
对于同一晶闸管,维持电流IH与擎住电流IL的关系是()。 A: IH≈(2~4)IL B: IL≈(2~4)IH C: IH=IL D: IH≥I
对于同一晶闸管,维持电流IH与擎住电流IL的关系是()。 A: IH≈(2~4)IL B: IL≈(2~4)IH C: IH=IL D: IH≥I
属于抑制性细胞因子的有 A: IL一1 B: IL一6 C: IL一10 D: IL一12 E: IL一2
属于抑制性细胞因子的有 A: IL一1 B: IL一6 C: IL一10 D: IL一12 E: IL一2
可使NK细胞成为LAK细胞的是 A: IL一1 B: IL—2 C: IL—3 D: IFN—α E: IL—10
可使NK细胞成为LAK细胞的是 A: IL一1 B: IL—2 C: IL—3 D: IFN—α E: IL—10
由LAK细胞产生能促进T细胞和B细胞增殖的细胞因子是() A: IL—1 B: IL一2 C: IL一3 D: IL一4 E: IL一5
由LAK细胞产生能促进T细胞和B细胞增殖的细胞因子是() A: IL—1 B: IL一2 C: IL一3 D: IL一4 E: IL一5
______, mother had to stay at home and looked after him. A: Tom being ill B: He was ill C: Being ill D: To be ill
______, mother had to stay at home and looked after him. A: Tom being ill B: He was ill C: Being ill D: To be ill
Yesterday morning, Mary heard that John _____ for a week. A: was ill B: has been ill C: had been ill D: would be ill
Yesterday morning, Mary heard that John _____ for a week. A: was ill B: has been ill C: had been ill D: would be ill
; we had to put the meeting off A: Because the manager was ill B: The manager being ill C: The manager was ill D: Being ill
; we had to put the meeting off A: Because the manager was ill B: The manager being ill C: The manager was ill D: Being ill