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【多选题】
假设股票的β值为βs=1．10，股指期货（保证12％）的β值为βƒ=1．05，下列组合风险大于市场风险的投资组合是（）。
A.
90％的资金投资于股票，10％的资金做多股指期货
B.
50％的资金投资于股票，50％的资金做多股指期货
C.
90％的资金投资于股票，10％的资金做空股指期货
D.
50％的资金投资于股票，50％的资金做空股指期货
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参考答案：
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【单选题】支气管肺泡呼吸音的特点为
A.
似水泡样的声音
B.
似哨笛样的声音
C.
呼气时间小于吸气时间
D.
呼气时间大于吸气时间
E.
呼气与吸气大致相等
查看完整题目与答案
【简答题】列表比较肺泡呼吸音、支气管呼吸音、支气管肺泡呼吸音的特点和正常分布。
查看完整题目与答案
【单选题】A woman was complaining to her friend: " Even though I have good skills, everywhere I go, I seem to get offered the lowest paid positons. I don't have any voice in promotions. What an awaful occupatio...
A.
sticky floor
B.
glass escalator
C.
mommy track
查看完整题目与答案
【单选题】某恒温可逆过程, T = 300 K , Q = 20 kJ , W = −15 kJ (其中 W ́ = −5 kJ ),则 Δ A 为
A.
−15 kJ
B.
−10 kJ
C.
−5 kJ
D.
0
查看完整题目与答案
【单选题】支气管肺泡呼吸音的特点为
A.
呼气时间短于吸气时间
B.
吸气时间短于呼气时间
C.
吸气与呼气时间大致相等
D.
似水泡样的声音
E.
似哨笛样的声音
查看完整题目与答案
【多选题】Complete the passage with the given words.
A.
flexibility
B.
document
C.
stability
D.
count
E.
capabilities
F.
mentor G emphasize H. recommend I. qualification J. bundle K. on-going L. generalist M. occupational N. prepare O. feasible The goal of today’s and future workplaces will be employability security, not employment security. You will need a (1) of skills that you can sell in the job market. Management consultants (2) you forget the old generalists. You need special skills and capabilities, and you will be expected to be a(n) (3) as well as an expert. Learn everything you can in all areas. (4) will be crucial, whether in the job or switching to learn the skills you need. There are new rules for the job market now. 1. Take responsibility for building your career. You can’t (5) on employers for training, employment opportunities or the (6) you need to advance. You need to be sure you’re at your peak of (7) , for jobs of today and tomorrow. 2. You have to continue to develop commitment. The job market is more competitive, you need to improve your (8) skills all the time. 3. Your resume must be a “living (9) ”. You need to keep it up-to-date all the time, document your new skills and experiences on a(n) (10) basis, so your resume is always current and complete.
查看完整题目与答案
【多选题】The softskills mentioned in the video include _____.
A.
being punctual
B.
sticking to deadlines
C.
occupational skills
D.
being able to work under pressure
查看完整题目与答案
【单选题】Q = -75 kJ , W = -180 kJ ,计算系统的 D U ( )
A.
225 kJ
B.
-225 kJ
C.
105 kJ
D.
-105 kJ
查看完整题目与答案
【简答题】计算下列各系统的 Δ U : (1) 系统吸热 60 kJ ,并对环境作功 70 kJ ; 答: Δ U =60-70=-10kJ (2) 系统吸热 50 kJ ,环境对系统作功 40 kJ ; 答: Δ U =50+40=90kJ (3) Q = -75 kJ , W = -180 kJ ; 答: Δ U =-75-180=-255kJ (4) Q = 100 kJ , W = 100 kJ 。...
查看完整题目与答案
【单选题】支气管肺泡呼吸音的特点为
A.
似哨笛样声音
B.
似水泡样声音
C.
呼气时间短于吸气时间
D.
吸气时间短于呼气时间
E.
呼气与吸气时间大致相等
查看完整题目与答案
相关题目：
【单选题】支气管肺泡呼吸音的特点为
A.
似水泡样的声音
B.
似哨笛样的声音
C.
呼气时间小于吸气时间
D.
呼气时间大于吸气时间
E.
呼气与吸气大致相等
查看完整题目与答案
【简答题】列表比较肺泡呼吸音、支气管呼吸音、支气管肺泡呼吸音的特点和正常分布。
查看完整题目与答案
【单选题】A woman was complaining to her friend: " Even though I have good skills, everywhere I go, I seem to get offered the lowest paid positons. I don't have any voice in promotions. What an awaful occupatio...
A.
sticky floor
B.
glass escalator
C.
mommy track
查看完整题目与答案
【单选题】某恒温可逆过程, T = 300 K , Q = 20 kJ , W = −15 kJ (其中 W ́ = −5 kJ ),则 Δ A 为
A.
−15 kJ
B.
−10 kJ
C.
−5 kJ
D.
0
查看完整题目与答案
【单选题】支气管肺泡呼吸音的特点为
A.
呼气时间短于吸气时间
B.
吸气时间短于呼气时间
C.
吸气与呼气时间大致相等
D.
似水泡样的声音
E.
似哨笛样的声音
查看完整题目与答案
【多选题】Complete the passage with the given words.
A.
flexibility
B.
document
C.
stability
D.
count
E.
capabilities
F.
mentor G emphasize H. recommend I. qualification J. bundle K. on-going L. generalist M. occupational N. prepare O. feasible The goal of today’s and future workplaces will be employability security, not employment security. You will need a (1) of skills that you can sell in the job market. Management consultants (2) you forget the old generalists. You need special skills and capabilities, and you will be expected to be a(n) (3) as well as an expert. Learn everything you can in all areas. (4) will be crucial, whether in the job or switching to learn the skills you need. There are new rules for the job market now. 1. Take responsibility for building your career. You can’t (5) on employers for training, employment opportunities or the (6) you need to advance. You need to be sure you’re at your peak of (7) , for jobs of today and tomorrow. 2. You have to continue to develop commitment. The job market is more competitive, you need to improve your (8) skills all the time. 3. Your resume must be a “living (9) ”. You need to keep it up-to-date all the time, document your new skills and experiences on a(n) (10) basis, so your resume is always current and complete.
查看完整题目与答案
【多选题】The softskills mentioned in the video include _____.
A.
being punctual
B.
sticking to deadlines
C.
occupational skills
D.
being able to work under pressure
查看完整题目与答案
【单选题】Q = -75 kJ , W = -180 kJ ,计算系统的 D U ( )
A.
225 kJ
B.
-225 kJ
C.
105 kJ
D.
-105 kJ
查看完整题目与答案
【简答题】计算下列各系统的 Δ U : (1) 系统吸热 60 kJ ,并对环境作功 70 kJ ; 答: Δ U =60-70=-10kJ (2) 系统吸热 50 kJ ,环境对系统作功 40 kJ ; 答: Δ U =50+40=90kJ (3) Q = -75 kJ , W = -180 kJ ; 答: Δ U =-75-180=-255kJ (4) Q = 100 kJ , W = 100 kJ 。...
查看完整题目与答案
【单选题】支气管肺泡呼吸音的特点为
A.
似哨笛样声音
B.
似水泡样声音
C.
呼气时间短于吸气时间
D.
吸气时间短于呼气时间
E.
呼气与吸气时间大致相等
查看完整题目与答案
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