他励直流发电机的励磁电流与电枢的端电压无关。

根据2012年人教版九年级英语下册Unit14 SectionB（3a-4）

判断正（T）误（F）。

 ( ) 1. In the last twelve months,  the New Ocean Waves had four major concerts.  

 ( ) 2. They're going to appear on CCTV next month.   

 ( ) 3. They only play other people's songs.

 ( ) 4. They gave half of the money they made to help the homeless children.. 

 ( ) 5. They gave half of the money they made to help the homeless children.

每个生产矿井必须至少有（）个安全出口。

A、1

B、2

C、3

D、4

下列关于计算机的叙述中，不正确的一条是______。

A．运算器主要由一个加法器、一个寄存器和控制线路组成
B．一个字节等于8个二进制位
C．CPU是计算机的核心部件
D．磁盘存储器是一种输出设备

消费支出的变化落后于收入变动的情况，被称为消费的（）

A.效用最大化

B.从众心理

C.攀比心理

D.制轮作用

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

______ ______