【单选题】下列陈述中正确的是( )
B.
衍射条纹有单色和彩色两种,干涉条纹只能是单色的
C.
在相同条件下,用绿光照射双缝产生的干涉条纹的间距比用黄光时小
D.
用单色光做双缝干涉实验,如果双缝间距离变小,则干涉条纹的间距也变小
【单选题】目光是面部表情的核心。在目光的接触中反映了双方的内心意向,下列表达正确的是
【单选题】目光是面部表情的核心。在目光的接触中反映了双方的内心意向,下列表达正确的是( )
【判断题】The buyer can reject the seller's delivery in accordance with the specifications determined by the seller, even if the buyer fails to put forward different specifications within the time so fixed.
【简答题】一游客在人住酒店后发现行李不见了,导游不应在( )帮助其寻找。
【单选题】“遛狗不见狗,狗绳提在手,见绳不见手,狗叫人才走”.这段话调侃的恶劣天气不仅影响了交通运输,也对人们的日常生活和健康不利.这段话反映的天气是图中的( )
【单选题】某公司财务部共有包括主任和秘书小李在内的l0名职员,以下三个断定中只有一个是真的: Ⅰ.有人是广东人Ⅱ.有人不是广东人Ⅲ.主任不是广东人以下哪项为真?( )
【单选题】小学英语教学要以活动为主,但仍有课本。处理活动与课本关系的最好办法是()。
B.
围绕学期教学目标和课本相关重点组织活动,既搞活动,也读课本
【判断题】Unclean B/L can be negotiated and accepted by the buyer and the bank.
【多选题】Which of the following tasks can be performed by a Buyer Administrator using the Organization Administration console?()
A.
The Buyer Administrator can approve the shoppers within their organization.
B.
The Buyer Administrator can create a new seller organization.
C.
The Buyer Administrator can assign access levels to their members.
D.
The Buyer Administrator can make Request for Quotes (RFQ) to a seller organization.