加入中国造血干细胞捐献者资料库,需要抽取()血液样本。
A、6ml~8ml
B、3ml~5ml
C、8ml~15ml
参考答案:A
—Mary with her parents often ________to the zoo on Sundays. What about you?
—I don’t often go there. But sometimes I go to see the animals on Saturdays.
A.go
B.goes
C.going
D.to go
欧洲宗教改革运动的代表人物有()和()