无菌罐的ARVA03阀是蒸汽阀。
参考答案:错
I worked on the problem ____ a long time and I worked it out ____ myself ____ last.[ ]
A. for; by; at
B. in; with; on
C. on; by; in
D. for; for; at the
各组句子中,加点词的词类活用现象不相同的一项是( )
A.假舟楫者,非能水也况吾与子渔樵于江渚之上
B.侣鱼虾而友麋鹿辞楼下殿,辇来于秦
C.舞幽壑之潜蛟,泣孤舟之嫠妇强本而节用,则天不能贫之
D.骊山北构而西折日削月割,以趋于亡