光电池
参考答案:V
解析:[精解] 归税号8541.4000。光电池是电子器件,不能作原电池或蓄电池归类。
______ at the party, we saw Ruth standing alone in the corner of the hall. [ ]
A. Arriving
B. To arrive
C. Arrive
D. Arrived
对外科伤口感染、尿路感染等疾病应采取
A.严格隔离 B.肠道隔离 C.接触隔离 D.血液和体液隔离 E.保护性隔离