A:原电池中阳离子向负极移动
B:用铝质铆钉接铁板,铁易被腐蚀
C:马口铁(镀锡)表面一旦破损,铁腐蚀加快
D:白铁(镀锌)表面一旦破损,铁腐蚀加快
—Have you read ________ in today's newspaper?
—Yes, it's about H1N1.
下列说法中正确的是( )
根据下图,每个的体积是____ cm2