下列关于气雾剂的叙述中错误的是（） A.由于密封于耐压容器中，所以气雾剂的储存期可以

重整反应系统“过氯”时，下列处理正确的是（）。

A、增加注氯、增加注水

B、减少注氯、减少注水

C、增加注氯、减少注水

D、减少注氯、增加注水

黄某趁手机店售货员接待其他顾客时，伸手从柜台内拿出一个价值2400元的手机握在手里并用围巾遮挡，然后继续在柜台边假装观看。过了一会，售货员发现少了一部手机并怀疑黄某，便立即报告店长和保安人员。黄某见状，速将手机放回柜台内后逃离。关于本案，下列说法正确的是（）。

A.陈某的盗窃行为属于未遂

B.陈某的盗窃行为已经既遂

C.陈某将手机扔回柜台内属于中止行为

D.陈某将手机扔回柜台内属于犯罪既遂后返还财物的行为

企业是市场经济最根本的主体。

Beijing: The United States and North Korea had their first ________in four months here this afternoon as part of the ________negotiations on how to end North Korea’’s nuclear program, but diplomats played down prospects for________.James A. Kelly, assistant________, and Kim Yong II, North Korea’’s deputy foreign minister, met ________of formal discussions, ________on direct dialogue that began after a stormy meeting ________in which North Korea warned that it was moving quickly to ________nuclear arms.The Bush administration had insisted ________that it would only hold talks with North Korea ________because, it argued, only ________pressure would persuade North Korea to________. It got its way when North Korea dropped its insistence on ________and agreed, after extensive efforts by China, to hold unusual simultaneous negotiations with ________,________,________and ________as well as the United States.Though Bush administration officials had not ________talking privately with the North Koreans during________, the fact that Mr. Kelly and Mr. Kim met on the first day was seen as a sign of ________by the American side.

简述特尔非法的集体操作程序及其主要用途？