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问题 填空题

中国人民银行2014年3月31日与英国央行签署关于人民币清算与结算协议的备忘录，双方将根据备忘录在（）确定一家人民币业务的清算行。

答案

参考答案：伦敦

阅读理解

Side A No. 293083
Student Bus Card
Name:  Lilian
From:  April 1st, 2014
To:     June 30th, 2014
Price:  ￡180

College: University of Chichester
Not valid for travel unless it's used in the bus companies of
Stagecoach, Season., Goldrider and Busabout in the UK.
 
Side B No. 293083


Thank you for travelling with
If the card is found, please return, to any Stagecoach driver.
★生词提示：valid有效的
小题1:The card is used for________.
A．taking a taxiB．travelling by train
C．taking a busD．entering the college
小题2:Lilian is________________.
A．a bus driverB．a university student
C．a teacher in a collegeD．a middle school student
小题3:You can not find _________in the card.
A．Lilian's ageB．the price
C．the card numberD．the time limit
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单项选择题 A1/A2型题

共沉淀是指待分离的组分在可溶条件下，由于表明吸附、吸留、共结晶或形成晶核等作用，为共沉淀剂带下来的一种沉淀分离技术。下列哪项不是常用的有机共沉淀剂（）。

A.甲基紫

B.8-羟基喹啉

C.二硫腙

D.铜试剂

E.氢氧化钠
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