问题
问答题
混凝土拌合物运输的要求有哪些？
答案
参考答案：
运输过程中，应保持混凝土的均匀性，避免产生分层离析。运至浇筑地点时应符合浇筑时所规定的坍落度。混凝土应以最少的中转次数、最短的时间运输到浇筑地点。运输工作应保证混凝土的浇筑工作连续进行。容器应严密，内壁光滑，不吸水，不漏浆。
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混凝土拌合物运输的要求有哪些？
参考答案：
运输过程中，应保持混凝土的均匀性，避免产生分层离析。运至浇筑地点时应符合浇筑时所规定的坍落度。混凝土应以最少的中转次数、最短的时间运输到浇筑地点。运输工作应保证混凝土的浇筑工作连续进行。容器应严密，内壁光滑，不吸水，不漏浆。
请阅读下面的短文。根据短文内容从下面五个选项中选出适当的句子还原到短文中，使短文意思通顺、结构完整。 On weekdays American students usually get up at seven .Then they have breakfast .小题1:_______. After breakfast they go to school on foot or by school bus. Some students ride bikes .小题2:_____ . Then they put their schoolbags in the desks and take only one book ,a tablet and a pencil to every class . In high school students have classses for six hours . 小题3:___ . They usually have meat, vegetables, fruit ,bread and a drink . In the afternoon they have classses until three o’clock. Then they go home . Students usually play or watch TV before(之前) supper . 小题4:________. After supper they do their homework . Sometimes they talk with their parents .小题5:_____ , and have a big dinner at one in the afternoon .
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