The closest point of approach ( CPA ) of a contact on a relative motion radar may be determined ______.A.immediately when the contact is noted on radarB.only if the radar scope is watched constantlyC.after the contact has been marked at least twiceD.by an

第1题：

第2题：

若有语句int *point, a=4; point=&a; 下面均代表地址的一组选项是

A．point, *&a

B．&*a, &a, *point

C．*&point, *point, &a

D．&a, &*point , point

第3题：

若有语句 int *point, a = 4; point = &a; 下面均代表地址的一组选项是（）

A．point,*&a

B．&*a,&a, *point

C．*&point, *point, &a

D．&a, & *point,point

第4题：

Approach
When we use the word approach we mean that an idea or theory is being applied: that whatever the teacher does, certain theoretical principles are always borne in mind.
略

第5题：

若有语句int *point,a=4;和 point=&a;下面均代表地址的一组选项是（)

A．point,*&a

B．&*a,&a,*point

C．*&point,*point,&a

D．&a,&*point,point

第6题：

若有语句 int *point, a = 4; point = &a; 下面均代表地址的一组选项是（）。

A．point,*&a

B．&*a,&a, *point

C．*&point, *point, &a

D．&a, & *point,point