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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.
烟雾保护传感器的安装位置一般在机头卸载滚筒下风口的（）范围内的巷道内。
当点火正时和配气正时不符、点火性能不良时，在怠速工况下，真空表表针在46.7～51kPa摆动，若点火过早，则摆动幅度（）。
火车运输对整车货物的承运前保管责任从填写（）起算（）
（1）如果甲公司到期不向乙仓库支付M机床的保管费用，乙仓库可以行使什么权利？说明理由。 （2）甲公司可否将已出租给丙公司的M机床抵押给丁公司？说明理由。 （3）丁公司何时取得M机床的抵押权？该抵押权设立后，对甲公司和丙公司之间的租赁关系是否产生影响？分别说明理由。 （1）甲公司向戊公司转让M机床的行为是否有效？说明理由。 （2）甲公司是否可以中止履行与戊公司签订的M机床买卖合同？说明理由。 （3）甲公司是否可以解除与戊公司签订的M机床买卖合同？说明理由。
男性，18岁，车祸致伤，即来院就诊，神志朦胧，咯血，口鼻均有泥沙夹血外溢，呼吸困难，烦躁不安，左侧严重擦伤、肿胀。查：心率98/分，血压16/12kPa（120/90mmHg），四肢尚可自动活动，左大腿中下段中度肿胀、瘀斑和严重擦伤。最合适的处理是（）。
应当报告个人重大事项的领导干部对象有哪些？个人重大事项有哪些？
患者，男性，32岁，排尿困难伴肛门胀痛1周，伴有寒战高热，直肠指检：肛管左侧局限性隆起，压痛阳性。该患者诊断考虑为（）
如果要判断电流产生的磁场方向，需要用（）。