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B2-U7_3_3_2.mp3: The New York Police Department (NYPD) announced it will form a new unit to search social media as part of the combined efforts against criminals. This is an official 1)__________ to criminals’ growing use of some websites to plan and celebrate 2)__________ achievements. A police chief, Kevin O’Connor, is 3)__________ an NYPD unit created specifically to comb social media sites like Facebook, Twitter, and BlackBerry Messenger for information on planned crimes and their offenders. The efforts against criminals have linked social media to increasing incidents of robberies in the United States and the recent rioting in London. Public safety agencies are 4)___________ looking to step up their efforts in order to better protect citizens against these trends. In the London riots in particular, the police suspect the rioters 5)__________ BlackBerry Messenger to coordinate and plan their riots. Police there are working with BlackBerry Messenger to identify those messages that are 6)__________ burning and robbing London stores. BlackBerry Messenger and other smartphone messaging services make it hard for the police to 7)___________ criminal activity, especially if they aren’t as 8)__________ the technology as the offenders are. NYPD unit intends to educate officers about such technology to 9)__________ this defect. For social media providers and smartphone makers, the criminals’preference for their products is putting them in the sticky position of determining how to assist police efforts without 10)_________ lawful customers’ privacy.
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举一反三
【单选题】羧苄西林的抗菌机制是
A.
抑制敏感菌二氢叶酸合成酶
B.
抑制敏感菌二氢叶酸还原酶
C.
抑制敏感菌DNA螺旋酶
D.
影响细菌细胞壁的合成
E.
影响细菌细胞膜通透性
【判断题】在欣赏教学中欣赏方式和设计方法是灵活多样的,只要能引起儿童多感官参与的艺术形式都可以采纳。
A.
正确
B.
错误
【多选题】锅炉的燃烧设备由( )、( )、( )以及( )组成。
A.
燃烧室
B.
燃烧器
C.
加燃料装置
D.
炉排
【判断题】孤立点在数据挖掘时总是被视为异常、无用数据而丢弃。()
A.
正确
B.
错误
【单选题】锅炉由“锅”和“炉”以及相配套的附件、自控装置、附属设备组成,其中,“炉”是指燃料燃烧产生高温烟气,将( )转化为热能的空间和烟气流通的通道。
A.
电能
B.
机械能
C.
化学能
D.
太阳能
【判断题】你可以请至少十位你身边的人,请他们用三到五个形容词来描述他们眼中的你。这是一种探索可迁移技能的方法。
A.
正确
B.
错误
【多选题】下列植物属于五加科的药用植物有()。
A.
三七
B.
当归
C.
胡萝卜
D.
竹子参
【单选题】下列有关锅炉的说法中不正确的是( )
A.
锅炉是指将燃料的化学能转化为热能,又将热能传递给水、汽、导热油等工质,从而产生蒸汽、热气或通过导热工质输出热量的设备
B.
锅炉由“锅”和“炉”以及相配套的附件、自控装置、附属设备组成
C.
“锅”是指锅炉接收热量,并将热量传给水、汽、导热油等工质的受热面系统,是锅炉中储存或输送锅水或蒸汽的密闭受压部分
D.
“锅”主要包括锅筒、水冷壁、过热器、再热器、燃烧设备、省煤器、对流管束及集箱等
【单选题】抗菌机制为抑制细胞壁合成,且有抗铜绿假单胞菌作用的是______。
A.
青霉素
B.
羧苄西林
C.
庆大霉素
D.
链霉素
【判断题】孤立点在数据挖掘时总是被视为异常、无用数据而丢弃
A.
正确
B.
错误
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