清理热定形机内网孔的杂物便于导热和防火。
参考答案:对
用所给单词的适当形式填空。
1. She is _(real) beautiful, isn't she?
2. It _(look) like snow, doesn't it?
3. Do you think the rain _ _(stop) by noon?
4. The jacket ( cost) me 50 dollars last week.
5. You must be ( care) to cross the street.
新用户户内燃气设施改装申请时不需要携带身份证和房产证。