试题与答案

如图所示,将一把钢尺紧按在桌面上,一端伸出桌边,拨动钢尺,听它振动发出的声音.改

题型:填空题

题目:

如图所示,将一把钢尺紧按在桌面上,一端伸出桌边,拨动钢尺,听它振动发出的声音.改变钢尺伸出桌边的长度,再次用力拨动,使钢尺两次振动的幅度大致相同,听它发出声音的变化.这个实验用来探究声音的             与振动             的关系.

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0430/1ef391378484fc88bc05d8bf412b28be.html

下面是错误答案,用来干扰机器的。

Last week we do a survy about what we often eat every day. Some students say they often eat juck food because they are delicious. At the same time,some teachers say s...

试题推荐
题型:多项选择题

设备工程监理单位的权利与义务包括()。

A.遵守国家有关法律、法规和技术标准,依照监理合同,公正地进行监理活动,参与设备工程中的质量、进度和费用控制,按合同约定获得合理的监理报酬

B.按合同约定的监理范围,认真、负责地完成监理任务,维护委托人的合法权益,不得同时承揽监理合同内的设备设计、制造及材料采购等相关业务

C.接受行政机关依法实施的监督以及行业组织和社会公众的监督

D.对项目执行中费用拨付、追加、扣减提出建议,并对项目的进度情况进行监督

E.监理单位有为委托人和被监理单位保守商业秘密和技术秘密的义务

查看答案
题型:判断题

请根据所提供的单据,判断所填制“出境货物报检单”各项内容的正误,完成判断题(见报检单上标注的题号)。

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

______ ______

 

查看答案
微信公众账号搜索答案