等直短圆柱体承受轴向压力P；径向压力p、扭转力偶矩m同时作用（图5-9-15）。现在
题型：单项选择题
问题：
等直短圆柱体承受轴向压力P；径向压力p、扭转力偶矩m同时作用（图5-9-15）。现在圆柱体表面K点处，用横截面、径向截面、纵向截面截出单元体，在单元体各面上作用的应力单元体为：（）
A.A
B.B
C.C
D.D
题型：单项选择题
We have all heard the old phrase “attitude is everything”, and that phrase is certainly true．Your attitude can have a great impact on your personal motivation, so it is important to keep a positive attitude no matter what challenges you face．
As a matter of fact, keeping your attitude positive in the face of difficulties is the motivation tip that most successful business owners will tell you．The most successful business owners, from Sam Walton to Bill Gates, have all been able to triumph in the face of unpleasant situations．It is those successful business owners who tell you that attitude is everything．But how you deal with that knowledge will determine your level of success．
One of the most important ways to carry out “attitude is everything” is to observe who you associate with and who you surround yourself with．That is because when you surround yourself with negative people, their negative attitudes will infect you．So keeping your associates, colleagues, co-workers and friends as positive as possible is a great way to put the phrase “attitude is everything” into practice．
Whatever you decide to do in life, your attitude will have a great effe
ct on the success you achieve．Success , whether in the world of business or in your personal life, is directly related to your attitude, and the attitude you bring to your work．A 
positive attitude will help you achieve greater success in your job, no
matter what your current level of employment．
小题1:According to the text, Sam Walton __________．
A．is more successful than Bill Gates
B．has given readers some tips about success
C．has never dealt with unpleasant situations
D．is one of the most successful businessmen小题2:One useful way of carrying out “attitude is everything” is__________．
A．not letting others affect your decisions
B．not making friends with people who are unsuccessful
C．keeping the people who surround you positive
D．getting some advice from successful business owners小题3:What’s the best title for the text ?
A．Attitude Determines Your Success
B．Motivation Tips From Successful People
C．Ways To Deal With Unpleasant Situations
D．Making Friends With Positive People