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【简答题】
用所给词的适当形式填空。 1. My brother has a big ________ of CDs. (collect) 2. I think your bike is nicer than ________. (he) 3. I think Zhang Ziyi's career has been more ________ than before. (success) 4. His house is nearer to school than ________. (my) 5. Our classroom is much cleaner than ________.(they) 6. This is (you) book, but where is (I). 7. Help _______ to some cakes, kids. (you) 8. My coat is on the bed. (you) is next to (my).
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皮皮学刷刷变学霸
举一反三
【单选题】在混凝土配合比设计中,选用合理砂率的主要目的是( )。
A.
提高混凝土的强度;
B.
节省水泥;
C.
节省粗骨料;
D.
改善拌合物的和易性 提示:合理砂率能在用水量和水泥用量一定时,使混凝土拌合物获得最大流动性,且粘聚性及保水性良好。当然,若不打算提高流动性时,采用合理砂率也可使水泥用量最小。
【多选题】根据《中国移动TD-LTE无线子系统工程验收规范》，切换时延测试的验收标准为（）。