单选题
发布日期:2022-07-19
the number of the expulsions is not large
the number of the expulsions is wrong
there are soldiers hiding among the students
guns are out of control in US schools
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一般情况下,从拉深变形的特点考虑,拉深的凹模的圆角表面粗糙度小。
企业在确定职权和岗位分工过程中,应当体现不相容职务相互分离的要求,下列不属于不相容职务的是()。
《条例》规定了政法机关的三项基本职能,即专政职能、管理职能、()。
Passage 1First two hours, now three hours-this is how far in advance authorities are recommending people show up to catch a domestic flight, at least at some major U.S. airports with increasingly massive security lines.Americans are willing to tolerate time-consuming security procedures in return for increased safety. The crash of EgyptAir Flight 804, which terrorists may have downed over the Mediterranean Sea, provides another tragic reminder of why. But demanding too much of air travelers or providing too little security in return undermines public support for the process. And it should: Wasted time is a drag on Americans' economic and private lives, not to mention infuriating.Last year, the Transportation Security Administration (TSA) found in a secret check that undercover investigators were able to sneak weapons-both fake and real-past airport security nearly every time they tried. Enhanced security measures since then, combined with a rise in airline travel due to the improving economy and low oil prices, have resulted in long waits at major airports such as Chicago's O' Hare International. It is not yet clear how much more effective airline security has become-but the lines are obvious.Part of the issue is that the government did not anticipate the steep increase in airline travel, so the TSA is now rushing to get new screeners on the line. Part of the issue is that airports have only so much room for screening lanes. Another factor may be that more people are trying to overpack their carry-on bags to avoid checked-baggage fees, though the airlines strongly dispute this.There is one step the TSA could take that would not require remodeling airports or rushing to hire: Enroll more people in the PreCheck program. PreCheck is supposed to be a win-win for travelers and the TSA. Passengers who pass a background check are eligible to use expedited screening lanes. This allows the TSA to focus on travelers who are higher risk, saving time for everyone involved. The TSA wants to enroll 25 million people in PreCheck.It has not gotten anywhere close to that, and one big reason is sticker shock: Passengers must pay S85 every five years to process their background checks. Since the beginning, this price tag has been PreCheck's fatal flaw. Upcoming reforms might bring the price to a more reasonable level. But Congress should look into doing so directly, by helping to finance PreCheck enrollment or to cut costs in other ways.The TSA cannot continue diverting resources into underused PreCheck lanes while most of the traveling public suffers in unnecessary lines. It is long past time to make the program work.The word "expedited"(Para.5) is closest in meaning to_______.
旅游从业人员在工作中做到不怕苦、不怕累、不怕脏、不怕忙,以服务接待好宾客为己任。需加强( )的修养。
腹部闭合性损伤造成胃、空肠、回肠穿孔,修补顺序是()
下列化合物中哪个(哪些)可作为:温和的Lewis酸、温和的Lewis碱、强还原剂(一个化合物可能具有一种以上的上述性质)。 (1)Li4(CH3)4 (2)Zn(CH3)2 (3)(CH3)MgBr (4)B(CH3)3 (5)Al2(CH3)6 (6)Si(CH3)4 (7)As(CH3)3
能生津止渴的药物组是()
称为“血海”的经脉是( )
旅客未按票面指定的日期、车次乘车(错后乘车超过2小时)但乘坐票价相同的列车时,按()。
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