问题
填空题
防止金属制品生锈的方法有______、______、______.
答案
防止金属制品生锈的方法有覆盖保护层,制成合金等,故填:镀一层金属;涂一层油漆;把金属制成合金等.
防止金属制品生锈的方法有______、______、______.
防止金属制品生锈的方法有覆盖保护层,制成合金等,故填:镀一层金属;涂一层油漆;把金属制成合金等.
根据对话内容,将方框内符合对话情境的句子填在对话空白处,使对话恢复完整。选项中有两项是多余的。 A: You look tired today. What’s the matter? B: 小题1:____________________. A: Why? B: I had a terrible dream. 小题2:___________________. A: Then? B: I shouted for a long time. 小题3:____________________. A: Then? B: Then I woke up. 小题4:______________________. I couldn’t get to sleep and I kept awake until six. A: 小题5:___________________. Maybe you have too much pressure. Try to relax yourself. B: Thank you.
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