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【多选题】
有机氟化物的鉴别过程为A.
在pH4.3条件下
B.
加茜素氟蓝试液
C.
被碱液吸收为有机氟化物
D.
氧瓶燃烧法
E.
加硝酸铈试液
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反馈参考答案：
举一反三
【简答题】简述不同绩效管理阶段绩效沟通的目的和侧重点，绩效沟通有那些技巧。
【单选题】What can you infer about some phone carders from the passage?
A.
They want to get additional download profit from teenagers.
B.
They are faced with intense competition in the market now.
C.
They try to expand the sales of phones among adult users.
D.
They provide some free minutes for the young people.
【简答题】反射原稿的质量要求包括哪些?
【单选题】The big question that faces Doppelganger is
A.
whether they Can get additional venture capital from investment banks．
B.
whether they Can increase revenue from selling music downloads and band．related goods．
C.
whether they carl find suppliers to sell physical things in the Lounge．
D.
whether they Can develop a critical mass of users and attract mass．market advertisers．
【简答题】面向对象三个基本原则是封装、继承和 。
【单选题】Where can listeners get additional information?
A.
At a project office.
B.
At a website.
C.
On 25th Street.
D.
At the Town Hall.
【简答题】简述有效沟通的四个技巧。
【单选题】49
A.
Lindbergh used this additional training to get a job as an airmail pilot, flying out of St. Louis, Missouri
B.
Working with an aviation company from San Diego, California,and with financial help from the city of St. Louis, Lindbergh got a customized(定制的)airplane that could make the journey
C.
He also received a Medal of Honor,the highest United States military decoration
D.
Eighty years ago,radio and movies were just beginning to have that kind of effect on Ameri- cans
E.
His childhood was not full of fond memories
F.
He quit school and moved to Nebraska where he learned to be a pilot
【单选题】What's true of high school graduates today?
A.
They can't get additional education without money.
B.
They can get additional education without payment.
C.
They can have additional education when they have full-time jobs
D.
They can have additional education now and pay for it later.
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