6个月小儿,按照计划免疫程序规律接种,此时应当接种()
A.麻疹第一针
B.卡介苗第一针
C.乙肝第三针
D.百白破第二针
E.脊髓灰质炎第二次
参考答案:C
First impressions are the most lasting. After all, you never get _____ second chance to make _____ first
impression. [ ]
A. a; the
B. the; the
C. a; a
D. the; a
巷道、车场、轨道线路、管线吊挂、必须符合()。