焊接通常分哪几类？
题型：问答题 简答题
问题：
焊接通常分哪几类？
题型：问答题 简答题
用所给单词的适当形式填空（每小题5分，满分5分）
小题1:I usually play basketball______ a week on Sunday.
小题2:Breakfast is the first______ in a day. It is very important.
小题3:Dongtou is very ________ for the seafood. I like my hometown very much.
小题4:I bought many things for_______ when I took a vacation in Changzhou.
小题5:If you really want to be a “Super Boy”, please_____ your best!