【单选题】Which statement is true about the class of an object that can reference the variable base?()
B.
No class has access to base.
C.
The class must belong to the geometry package.
D.
The class must be a subclass of the class Hypotenuse.
【单选题】从已知船位,然后根据航向、航程(计算风压差后)绘算所得的船位是 。
【单选题】The following descriptions about collagen fibers, which one is wrong( )
A.
There are periodic cross striations under electron microscope
B.
appear as wavy structures of variable width
C.
are flexible and have a high tensile strength
D.
are straight and slender, no branches
E.
stain readily with eosin
【多选题】当政府对某种商品实行价格上限管制时,其影响主要包括
【单选题】从已知船位, 然后根据航向、航程(计算风压差后)绘算所得的船位是:
【多选题】Which statements concerning the value of a member variable are true, when no explicit assignments have been made?()
A.
The value of an int is undetermined.
B.
The value of all numeric types is zero.
C.
The compiler may issue an error if the variable is used before it is initialized.
D.
The value of a String variable is "" (empty string).
E.
The value of all object variables is null.
【单选题】从已知船位, 然后根据航向、航程(计算风压差后)绘算所得的船位是: