问题
填空题
混凝土墙面抹防水砂浆，首先刷素水泥浆，素水泥浆的配合比为水泥:水:防水油=______，其拌制方法是：先将水泥和水拌合均匀，然后______拌合均匀。将拌好的素水泥浆用______均匀地涂刷在基层表面，随即抹防水砂浆。
答案
参考答案：1:0.8:0.025(质量比)；加入防水油；软毛刷子
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混凝土墙面抹防水砂浆，首先刷素水泥浆，素水泥浆的配合比为水泥:水:防水油=______，其拌制方法是：先将水泥和水拌合均匀，然后______拌合均匀。将拌好的素水泥浆用______均匀地涂刷在基层表面，随即抹防水砂浆。
参考答案：1:0.8:0.025(质量比)；加入防水油；软毛刷子
根据短文内容,从下框的A-F 选项中选出能概括每一段主题的最佳选项.选项有一项为多余项。
methods and non-standardized curricula (课程), no two courses are the same. Undergraduate courses are considerable different from graduate courses. The classroom atmosphere in expensive, private universities may differ from that in community colleges, which are free and open to everyone.
Some professors base part of the final grade on the student's oral participation. Although there are formal lectures during which the student has a passive role (i.e., listening and taking notes), many courses are organized around classroom discussions, student questions, and informal lectures.
merely for students to pass exams.) The ideal student is considered to be one who is motivated to learn for the sake of learning, not the one interested only in getting high grades.
Plagiarizing (抄袭) in written work, presenting other's ideas as original, and turning in homework completed by someone else are all prohibited (禁止).
Relationships between students in the classroom can be cooperative or competitive. International |
