将金属基材浸渍在加有氧化剂、促进剂的碱性溶液中,利用化学反应方法可在基材表面生成一层保护性氧化膜,称为()。
A.树脂薄膜
B.金属化学氧化膜
C.涂层湿膜
D.冷压贴膜
参考答案:B
根据汉语提示完成单词,使句子完整正确。(5分)
小题1: December is the ___________ (第十二) month of the year.
小题2: She plays volleyball very __________ (好).
小题3: -How many ___________ (字典) do you have? -Three.
小题4: We sell our clothes at very good __________ (价格).
小题5: -What is your (父亲的) favorite month? -January.