A．条件(1)充分，但条件(2)不充分． B．条件(2)充分，但条件(1)不

发布时间：2018-06-05 23:52 │ 来源：www.tikuol.com

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问题：

A．条件(1)充分，但条件(2)不充分．
B．条件(2)充分，但条件(1)不充分．
C．条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
D．条件(1)充分，条件(2)也充分．
E．条件(1)和(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．

x²+2x+a=0和2x²+ax+1=0有公共根．
(1)a=-2； (2)a=-3．

考点：在职联考综合能力（含数学、逻辑、写作）MBA联考数学

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1940年，美国颁布《投资公司法》和《投资顾问法》，以法律形式明确基金的运作规范，严格限制各种投机活动，为投资者提供了完整的法律保护，并成为其他国家制定相关基金法律的典范。（）

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阅读理解。
阅读下面短文，根据所读内容在表格中的空白处填入恰当的单词。注意:每个空格只填一个单词。

     When you are in a place where you are hunting for a new job or career, you will find that there are several
things needing your atten tion. Jobs and careers are fewer than you might entirely be prepared for; especially
when satisfying employment is something you need to seriously think about. How are you going to find the job
that you want and how are you going to avoid traps in your way? When you want to make the most out of your job search, take a moment and think about the things that you must avoid at all costs.
     One of the most important rules is, never to compromise on your requirements such that it will negatively
affect your life and peace of mind at a later stage. Keep in mind your basic expectations from a job. It might be
something along the lines of increased monetary pay ment or you might find that it has something to do with
benefits or time off. Whatever it is that you count as your basic requirements, make sure that you do not accept a job without it. Your requirements might be difficult to get, but you have all the rights to try and a chieve them.
     That being said, don't shy away from odd jobs that might actu ally take you to the place that you want to be
in, eventually. Some- times, finding the right job is a matter of luck and chance after you have been searching
and putting in a lot of efforts. And if something unexpected happens, remember that taking chances is something you might want to seriously consider. You are in a place where you are thinking about moving forward, so
don't be surprised by what route it might take to get there. As long as you keep your goals in mind, you are going to be doing much better than other people are during their job search.
     If you are looking for the right career, another thing that you can do to make sure that you get the right kind of employment is to advertise yourself. When you do nothing to push yourself forward, you will be the one
suffering for it. If required, motivate yourself and try to look at all that you possess by way of positive traits.
Make sure that you can present your skills and abilities in the best light possi ble. If the jobs that you have set
your sights on are challenging, set targets for yourself and work towards them in a systematic and fo cused
manner. The more efforts you put into marketing yourself, the better will be your chances of obtaining the job
of your choice.
     Remember that when you are working on a job search, you should not shortchange yourself. This is because you will only hurt yourself by aiming low.
     What to avoid during your job search

Paragraph Outline	Supporting Details
Brief introduction	☆You need to know they are fewer than 1. _____ ☆You should take the related things into 2. _____ and know what to a- void.
Detailed information of what to avoid dur ing the job search	☆Don't lower standards or it will have a negative 3._____ on your later life. Accept a job with your basic 4. _____ which might be not easy to get. ☆ Accept some odd jobs which might help you 5. _your goal. Sometimes, luck and chance may 6. _____ well in your finding the job. You can do better than others if you 7. _____ your goals during the job search. ☆You should make a( n) 8.____for yourself to hunt for the right job. If it is a 9. _____for you to find the job, set your targets and work hard.
Summary	☆Low aims may do 10. _____ to your- self, so you shouldn't shortchange yourself.

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维生素D缺乏性手足抽搐症最常见的症状是（）

A.有佝偻病的症状和体征

B.无热惊厥

C.手足抽搐

D.喉痉挛

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研究表明，学习成功的学生往往对学习抱积极态度，而学习遭受挫折的学生对学习抱消极态度。能对这种态度作出合理解释的是

A．认知失调理论

B．社会学习理论

C．效果律

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影响实验动物的环境因素的（）：饲料、饮水、空气、臭气、消毒剂、有毒物质等。

A.小环境因素

B.物理因素

C.化学因素

D.生物因素

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