若一个多边形的内角和等于720°，则这个多边形的边数是（ ） A．5 B．6 C

计算(1- 3 x+2 )• x x-1 ．

       1979年底，中 * * 党十一届三中全会在北京召开。全会把党和国家的工作重点转移到政治建设上来；提出改革开放的总方针；形成了以江 * * 为核心的第二代领导集体。十一届三中全会标志着我国进入社会主义初级阶段。

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

资料：某企业1月份发生下列经济业务(不考虑相关税费)：
(1)销售产品一批，计货款4000元，当即存入银行。
(2)销售产品一批，计货款10000元，当即收到8000元存入银行，其余货款暂欠。
(3)预付1～6月的固定资产租金6000元。
(4)收到上月份的应收销货款4000元。
(5)收到购货单位预付的购货款8000元，下月交货。
要求：根据上述资料，回答下列问题。

按权责发生制计算，该企业1月份的收入为( )元。

A．28000

B．24000

C．14000

D．12000

奖惩性教师管理的类型是注重结果，发展性教师管理的类型是注重（）。

请根据所提供的单据，判断“出境货物报检单”各项内容的正误。

 

SAlES CONTRACT

NO.: SAQJ570162

DATE: DEC．10, 2009

The Buyer: BLUE EAGLE Import & Export Corp.LongBeachU.S.

The Seller: TIANJIN HAPPY-HOLIDAY CORPORATION

This contract is made by and between the Buyer and the Seller, whereby the Buyer agrees to buy and the Seller agrees to sell the under-mentioned commodity according to the terms and conditions stipulated below:

(1)Name of Commodity: WOODEN CHAIRS (HAPPY-HOLIDAY)

(2)Quantity: 1800PCS/3600KGS, 900CTNS

(3)Unit price: USD 4/PC

(4)Amount Total: USD7 200

(5)Packing: In Cartons

(6)Port of Loading: XINGANG, TIANJIN, CHINA

(7)Port of Destination: LongBeach U.S.

(8)Date of Shipment: DEC．2009/By Vessel

(9)Term of Payment: UC

(10)Shipping Mark: N/M

(11)Documents Required: phytosanitary certificate issued by CIQ indicating the

NO.of L/C

The Buyer The Seller

______ ______