不属于1岁以内婴儿计划免疫的是()。
A.脊髓灰质炎疫苗
B.肺炎链球菌疫苗
C.麻疹疫苗
D.百日咳疫苗
E.乙肝疫苗
参考答案:B
–Shall we go out for a walk?
–Sorry. This is not the right __ to invite me. I am too tired to walk.
A.moment
B.situation
C.place
D.Chance
施工升降机安装与拆卸应注意哪些事项?