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【单选题】
Want Extra Income? Do you have a few free hours to earn extra income? If you are college students, retirees, or part-timers, this job is perfect for you. Youll work before sunrise and be finished in time for breakfast everyday. Youll have your afternoons and evenings free for your other jobs or leisure activities. Delivering newspapers every day except Sundays can earn you an extra $ 500 to $ 700 monthly. Routes are available in all neighborhoods. No collection is required. No experience is necessary. To apply, visit the Hickory Daily News circulation manager in person this Friday between 1 p.m. and 3 p.m. No calls please! What is the purpose of this announcement?A.
To recruit newspaper reporters
B.
To announce part-time opportunities
C.
To encourage people to subscribe to a newspaper
D.
To advertise a new restaurant
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【多选题】下列关于纳税申报的说法中正确的是( )。
A.
纳税申报包括直接申报、邮寄申报、数据电文申报等方式
B.
实行定期定额缴纳税款的纳税人,可以实行简易申报、简并征期等方式申报纳税
C.
采用数据电文申报的,以税务机关的计算机网络收到该数据电文的时间为申报日期
D.
自行申报是指纳税人、扣缴义务人按照规定的期限自行直接到主管税务机关指定的办税服务场所办理纳税申报手续
【单选题】为了防止玻璃器皿中的Pb对食品中Pb测定的干扰,玻璃器皿必须用什么进行浸泡处理?( )
A.
10% HNO₃
B.
10% H₂SO4
C.
10%HCl
D.
10% H₃PO5
【单选题】为了防止玻璃器皿中的Pb对食品中Pb测定的干扰,玻璃器皿必须用什么进行浸泡处理?
A.
3% HNO₃
B.
3% H₂SO4
C.
10%HCl
D.
10% -20%HNO₃
【简答题】下列关于铁的描述不正确的是（ ） A．纯铁具有银白色光泽 B．铁在化学反应中可以失去2个或3个电子显+2或+3价 C．铁具有良好的延展性，这属于化学性质 D．铁在空气中加热得到黑色的四氧化三铁
【简答题】下面是用c语言编写的对不带头结点的单链表进行就地逆置的算法,该算法用L返回逆置后的链表的头指针,试在空缺处填入适当的语句。 void reverse (LinkList *L) {LinkList p,q; q=(*L); p=NULL ; while (q!=NULL) { (1) ; q->next=p ; p=q; (2)___ ; } ( 3)_____; } 注:结点类型定义为: ty...
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