【简答题】两个变量的相关是什么意思?给出变量x的一组样本数据和变量y的一组样本数据,这样能研究其相关性吗?为什么?
【单选题】男性,45岁,办公室工作,体检发现空腹血糖6.2mmol/L,无多饮、多尿、多食,身高168cm,体重77kg经检查后该患者诊断为2型糖尿病,饮食控制的原则是()
A.
总热量按20kcal/标准公斤体重计算,碳水化合物占40%,蛋白质按1.5g/标准公斤体重计算,脂肪占20%~40%
B.
总热量按20kcal/实际公斤体重计算,碳水化合物占55%,蛋白质按1g/实际公斤体重计算,脂肪占2026~30%
C.
总热量按25kcal/实际公斤体重计算,碳水化合物占50%,蛋白质按0.6g实际公斤体重计算,脂肪占3026~40%
D.
总热量按20kcal/标准公斤体重计算,碳水化合物占50%,蛋白质按0.6g标准公斤体重计算,脂肪占30%~40%
E.
总热量按20kcal/标准公斤体重计算,碳水化合物占55%,蛋白质按1g/标准公斤体重计算,脂肪占25%~30%
【判断题】县级以上地方各级人民政府管理本行政区域内的会计工作。
【简答题】Write a reply to the following letter after reading it. Enquiry Dear sir, We have seen your advertisement in the New Asia Journal and are particularly interested in your portable typewriters, but we r...
【单选题】Which statement do you agree with after your reading?
A.
When the power failure hit New York City, people only minded their own business.
B.
Nobody needs all the machines we have made till now.
C.
People used to pay each other with their building, raising, and so on.
D.
People have difficulties in finding a good neighbor today.
【单选题】测量上肢长度应测量从肩峰外侧端到( )的距离
【简答题】身高168cm,体重50kg,标准体重为()kg,体质指数为(),属于()体型。
【单选题】Whats your impression on St. Valentine after reading the passage?
A.
He is brave and full of courage.
B.
He is kind and warm-hearted.
C.
He is a sympathetic, heroic and romantic figure.