【多选题】中餐零点餐厅撤换餐具的具体情况主要有( )
【简答题】Things tourists should bring:
【判断题】All the things that tourists buy can be called souvenirs
【简答题】药物定量分析中,操作中过滤时为什么要用干燥滤纸和取用续滤液进行试验?
【简答题】Tourists can see many interesting things in Shanghai . There __________many interesting things for tourists to see in Shanghai.
【多选题】下列关于CD4 + T淋巴细胞样本采集、运输说法正确的是()
B.
采血后应立即握住试管两端,垂直颠倒混匀多次,将血液与抗凝剂混匀,以防止凝固
C.
高温季节,需用隔热容器盛装样品,并将其置于有冰袋和吸热物质的容器中
D.
在室温(18-25℃)保存和运输样品,避免极端温度(结冰或大于37℃)
【简答题】Things tourists should bring:
【单选题】The locals like selling things to tourists because the tourists are so ______ .