问题
问答题 简答题
炎热季节搅拌混凝土有何要求？
答案
参考答案：宜采取措施控制水泥的入搅拌机温度不大于40℃，可采取在骨料堆场搭设遮阳棚，低温水搅拌混凝土等措施降低混凝土拌合物的温度，或尽量在傍晚或晚上搅拌混凝土。
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炎热季节搅拌混凝土有何要求？
参考答案：宜采取措施控制水泥的入搅拌机温度不大于40℃，可采取在骨料堆场搭设遮阳棚，低温水搅拌混凝土等措施降低混凝土拌合物的温度，或尽量在傍晚或晚上搅拌混凝土。
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，并在答题卡上将该选项涂黑。选项中有一项为多余选项。注意：E涂AB F涂AC
小题1:___________ When traveling in New York City, often the best way to travel is by subway．The New York City subway system has over 800 miles of track, making it．one of the most extensive subways in the world．At first, it may be complicated to ride the subway．However, after following a few tips, you can make it much easier． 小题2:___________ You may worry about getting lost in this big and modem city．Firstly, you should figure out where you are coming from and where you want to go．Actually, the easiest way to do so is to view a map．At NYC Subway, org, you can find a route map, track map and historical maps．Simply go to the website and click on the map you want on the left side navigational panel （导航面板）． 小题3:___________ Another suggestion is to buy a special card for your traveling in New York City．You can buy a Metrocard you can recharge as you need it or you can buy an unlimited - use Metrocard．It will make riding the subway much more convenient．You can purchase Metrocards in subway stations or in stores which display a Metrocard sticker on their window． 小题4:___________ If you get lost, don't worry．Stay calm and find out where you are．Then you should go to the nearest subway station．There are over 400 subway stations located in New York City．If you have any questions, you can ask the clerks at the subway stations．Subway maps list the subway stations, so just pick the one closest to you． 小题5:___________ Like traveling by other means of transportation, you have to follow some rules while taking a subway．In some subway stations in New York, you may have your bags checked．Also be aware of other rules．The rules are posted at each subway station．If you are not clear, be sure to read the rules first． |