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【单选题】
低压带电作业时,( )A.
既要戴绝缘手套,又要有人监护
B.
戴绝缘手套,不要有人监护
C.
有人监护不必戴绝缘手套
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反馈参考答案：
举一反三
【单选题】I __________ an invitation from him, but I didn’t __________ it. A. accept , receive B. accepted , receive C. receive , accept D. receive d, accept
A.
accept, receive
B.
accepted, receive
C.
receive, accept
D.
received, accept
【单选题】设指针p指向双链表的某一结点,则双链表结构的对称性可用( )式来刻画。
A.
p->prior->next->==p->next->next
B.
p->prior->prior->==p->next->prior
C.
p->prior->next->==p->next->prior
D.
p->next->next==p->prior->prior
【单选题】Tim will call me as soon as he _____ my package. [ ]
A.
receive
B.
will receive
C.
received
D.
receives
【单选题】设指针P指向双链表的某一结点,则双链表结构的对称性可用( )式来刻画。
A.
p->prior->next==p->next->next
B.
p->prior->prior==p->next->prior
C.
p->prior->next==p->next->prior
D.
p->next->next==p->prior->prior
【简答题】to receive an order
【单选题】设指针P指向双链表的某一结点，则双链表结构的对称性可用（ ）来描述。
A.
p->prior->next==p->next->next
B.
p->prior->prior==p->next->prior
C.
p->prior->next==p->next->prior
D.
p->next->next==p->prior->prior
【多选题】在呼叫处理中,假设现处于等待收号状态,请根据局内呼叫的状态转移图,写出下一个可能出现的状态。
A.
空闲
B.
通话
C.
等待收号
D.
收号
E.
振铃
F.
听忙音
【单选题】设指针P指向双链表的某一结点,则双链表结构的对称性可用( )式来刻画
A.
p->next->next==p->prior->prior
B.
p->prior->prior==p->next->prior
C.
p->prior->next==p->next->prior
D.
p->prior->next==p->next->next
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