Which document provides guidelines to support planning and provides pre-installation steps forthe IBM System Storage DS8000?（） A: Solution Assurance Product Review Guide B: DS8000 Introduction and Planning Guide C: DS8000 Installation Guide D: System Assurance Product Review Guide

Our company will provide you with free transportation as you requested and charge the installation.（） A: installation with a charge B: in the installation C: freely installation D: installation in charge

在双向链表中删除指针p所指的结点(pre和next，是结点的指针域，pre指向结点的前驱，next指向结点的后继)，则需要执行( )。 A: p↑．next：=p↑．pre；p↑．pre：=p； B: p↑．next↑．pre：=p↑．pre；p↑．pre↑．next：=p； C: p↑．pre：=p↑．next；p↑．next=p↑．pre； D: p↑．pre↑．next：=p↑．next；p↑．next↑．pre：=p↑．pre；

〈center〉…〈/center〉是 标记 而〈pre〉…〈/pre〉是 标记。

. Which of the following is true'? A: . a compulsory VHF-DSC radiotelephone installation must be daily tested without radiation. B: a compulsory VHF-DSC radiotelephone installation must be annually tested without radiation C: a compulsory VHF-DSC radiotelephone installation must be monthly tested without radiation. D: a compulsory VHF-DSC radiotelephone installation must be weeklv tested without radiation.

Before installation, the first is the detection of the components.

We are responsible for the installation and repair of the(equip)_______

在循环双链表的p所指结点之后插入s结点的操作是（ ） A: p->next=s; s->pre=p; p->next->pre=s; s->next=p->next; B: p->next=s; p->next->pre=s; s->pre=p; s->next=p->next; C: s->pre=p; s->next=p->next; p->next->pre=s; p->next=s; D: s->pre=p; s->next=p->next; p->next=s; p->next->pre=s;

在循环双链表的p所指结点之后插入s结点的操作是（ ） A: p->next=s; s->pre=p; p->next->pre=s; s->next=p->next; B: p->next=s; p->next->pre=s; s->pre=p; s->next=p->next; C: s->pre=p; s->next=p->next; p->next->pre=s; p->next=s; D: s->pre=p; s->next=p->next; p->next=s; p->next->pre=s;

___ is committed to installation, operation and maintenance of the communication infrastructures.