【单选题】If you want to keep fit, you should _______ [ ]
B.
learn a foreign language
【简答题】设A为5阶方阵,A*是其伴随矩阵,且|A|=3,则|A*|=_______
【单选题】– You should walk or run daily if you want to keep fit. – ______.
B.
Thanks for your advice
【简答题】设 为5阶方阵, 是其伴随矩阵,且 ,则 _______
【多选题】反映本量利关系的基本公式包括( )
C.
利润=单价X销售量-单位变动成本X销售量-固定成本
D.
利润=(单价-单位变动成本)X销售量-固定成本
【简答题】设【图片】为5阶方阵,【图片】是其伴随矩阵,且【图片】,则【图片】_______
【单选题】Don't you think _______of great importance that we should keep fit by taking exercise regularly?
【单选题】(2014·湖南株洲一模)—Thank you for your tea. —You are so kind to say so,but you________it at all.
【多选题】反映本量利关系的基本公式包括()
C.
利润=单价×销售量-单位变动成本× 销售量-固定成本
D.
利润=(单价-单位变动成本)×销售量-固定成本
【单选题】According to the passage,what should you do if your interview convinces you that the company is not fit for you?
A.
Give up the interview at once
B.
Continue to make efforts to get the offer
C.
Turn down the job at the end of the interviewC
D.
Ask the interviewer to find a fit one for you.