用于测定农药或除草剂等项目的水样,一般使用()作盛装水样的容器。
A、棕色玻璃瓶
B、聚乙烯瓶
C、无色玻璃瓶
D、硼硅玻璃瓶
参考答案:A
I won't go to see the film tonight, because I ______ my ticket.[ ]
A. lost
B. had have
C. bought
D. has lost
十万分之一天平的感量是()。
A.0.00001g
B.0.01g
C.0.0001g
D.0.001g
E.0.000001g