发生移植物抗宿主反应(GVHD)时,外周血中增多的白细胞主要是()
A.中性粒细胞
B.嗜碱性粒细胞
C.嗜酸性粒细胞
D.单核细胞
E.淋巴细胞
参考答案:E
根据所给情景完成对话。
A: 1 , OK?
B: Sorry, Bob, I don't have a volleyball. But I have a baseball.
A: I don't want to play baseball. 2 Do you know?
B: Maybe Eric has one. Let's go and ask him.
A&B: 3 , Eric?
C: Yes, I have one. But it's at home.
A: I'm sorry to hear that.
B: Well, 4 ,OK?
C: Please join us, Bob.
A: OK. 5 .
周朝起源于()的一个小部落。
A.河南
B.陕西
C.山东
D.天津