问题
判断题
粗集料粒径愈大，其总面积愈小，同时他的堆积空隙率小。需要水泥浆数量愈少。（）
答案
参考答案：对
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粗集料粒径愈大，其总面积愈小，同时他的堆积空隙率小。需要水泥浆数量愈少。（）
参考答案：对
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| Some time ago, my wife and I traveled to Sydney to visit my sister. We had taken more clothes than we needed and struggled onto the train. In front of us, in a face-to-face seat, 1 six young men in their early 20s. They were strong and 2 , and I disliked them immediately. They were laughing loudly, obviously 3 themselves and they 4 a foreign language. As we went quickly 5 the countryside, I kept an eye on them as they joked around. Sometimes they took a look in our direction.When two of them got 6 . I relaxed a little. The rest of them 7 to laugh and joke in their own language. When we finally arrived at our 8 only one of them was left on the train.He was obviously 9 too and as I struggled towards him with my heavy luggage (行李) , he reached out and asked in English: "Want a hand with that, mate?" He 10 the heavier bag up the station steps for us. We were pleasantly surprised and very grateful. | ||||
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