【简答题】已知正方形OABC的面积为4,点O是坐标原点,点A在x轴上,点C在y轴上,点B在函数 的图象上,点P(m,n)是函数 的图象上任意一点。过点P分别作x轴、y轴的垂线,垂足分别为E、F。若设矩形OEPF和正方形OABC不重合部分的面积为S。 (1)求B点的坐标和k的值; (2)当 时,求点P的坐标; (3)写出S关于m的函数关系式。
【判断题】(2016年)儿童餐椅座高为65cm左右,但必须带扶手和栏杆,以免儿童跌落。( )
【多选题】下列关于元节奏流水施工,正确的说法是( )。
【单选题】Which accounting principle tells accountants when to record revenue:
A.
Profit recognition principle
C.
Going concern principle
D.
Accounting period concept
【单选题】The accounting principle that requires revenue to be recorded when earned is the:
B.
Revenue recognition principle.
C.
Time period assumption.
D.
Accrual reporting principle.
【单选题】The accounting principle that requires revenue to be recorded when earned is the:
A.
Time period assumption.
B.
Revenue recognition principle.
C.
Going-concern assumption.
D.
Expense recognition (matching) principle.
【单选题】The accounting principle that requires revenue to be recorded when earned is the:
A.
Expense recognition (matching) principle.
B.
Going-concern assumption.
C.
Time period assumption.
D.
Accrual reporting principle.
E.
Revenue recognition principle.
【多选题】临床生化检验方法根据其准确度与精密度的不同可分为
【单选题】The accounting principle that requires revenue to be recorded when earned is the:
B.
Revenue recognition principle.
C.
Time period assumption.
D.
Accrual reporting principle.
E.
Going-concern assumption.