试题与答案

中央电视台曾经播放过一则广告“××电冰箱每天耗电仅0.35kWh,为了表示0.3

题型:计算题

题目:

中央电视台曾经播放过一则广告“××电冰箱每天耗电仅0.35kWh,为了表示0.35KWh的电能是微不足道的,画面上又出现了一名男士用电动剃须刀耗电0.35 kWh刮胡子的场面,仅刮了半边脸,就没电了……。”一只普通的电动剃须刀额定电压为3V,额定电流约300mA。

(1)计算用0.35 kWh的电能可供上述电动剃须刀刮多长时间的胡子?

(2)根据调查,该冰箱铭牌上标有“220V110W”,在冬季一天最少的工作时间为4h,广告宣传的每天耗电仅0.35kWh真实吗?通过计算说明。

(3)生产厂家通过开发新技术和研制新材料使电冰箱越来越省电,你在日常生活中有哪些电冰箱节电的小巧门,写出二条。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A解析: 公安机关专政职能的实质是公安机关代表国家和人民对敌对势力、敌对分子和严重刑事犯罪分子实行政治统治,故选A。

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SAlES CONTRACT

No.:QJ760125

Date:Oct.10,2008

The Buyer: MoonRiver Import & Export corporation, Busan, Korea

The Seller: Jiangsu Hongling Industrial&Trade Corporation

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

(1)

Name of commodityQuantityUnit PriceTotal Price
TV SET52CM

(Dragon Brand)

1000SETS

1000CTNS

USD

80/SET

USD

80000

(2)Packing: In Carton

(3)Port of Loading: LIANYUNGANG PORT, Jiangsu, China

(4)Port of destination: BUSAN PORT, Korea

(5)Shipping Mark: N/M

(6)Date of Shipment: Apr.2008 / By Vessel

(7)Terms of Payment: Letter of Credit (No.WE570346 )

(8)Documents Required: Certificate of Quality, issued by CIQ indicating the No.of L/C

The Buyer The Seller

______ ______

 

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