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试述万里长城工程建设中体现的管理特点。
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主题公园有五大类型，其中年游客量在150万人次到350万人次，具有一定主题的路线和表演，有潜在的品牌的是（）。
在合同关系中，合同关系的客体主要是债务人的（ ）
五输穴中，主治身热的是（）
各产品的主要成本管理数据均来自于相关系统，直接人工费用来自于（）。
（）年底，香港野外定向总会成为国际定联的正式成员并获得参加正式国际比赛的资格。
流行性出血热引起急性肾功能不全的最主要原因是（）
Many people prefer text messages(短信)to actually talking. Almost overnight, text messages have become the preferred form. of communication for millions. But even as industry calculations show that Americans are now using mobile phones to send or receive more text messages than phone calls. Those messages are under great pressure because of the danger they can pose by distracting users. Though there are no official casualty(伤亡)statistics, there is much evidence that the number of fatal accidents resulting from texting while driving, crossing the street or engaging in other activities is on the rise. "The act of texting automatically removes 10 I. Q. points," said Paul Saffo, a technology trend forecaster in Silicon Valley. "The truth of the matter is that there are hobbies that are incompatible(不相容的). You dont want to do mushroom-hunting and bird-watching at the same time, and it is the same with texting and other activities. We have all seen people walk into parking meters or walk into traffic and seem startled by oncoming cars. " In the latest fight against text messaging, the California Public Utilities Commission announced an emergency measure on Thursday temporarily banning the use of all mobile devices by anyone at the controls of a moving train. The ban was adopted after federal investigators announced that they were looking at the role that a train engineers text messaging might have played here last week in the countrys most deadly rail accident in four decades. A California lawmaker is also seeking to ban text-messaging by drivers, a step already taken by a handful of other states. "We have had far too many tragic incidents around the country that are painful proof that this is a terrible problem. " said Joe Simitian, who wrote the California law requiring drivers who are talking on a cell phone to use hands-free devices.What can we know from the second paragraph?A．Text messaging may result in many accidents.B．Text messaging has caused most of the accidents recently.C．Many people are going to text messages instead of telephoning.D．The government is now trying to stop text messaging.
环氧乙烷物料系统的（）校验周期是6个月。
—What were you doing this time yesterday? —I ______ on the grass and drawing a picture.
泡沫液的准备量通常应达到一次灭火用量的（）倍，同时，准备一定数量的干粉灭火剂。