发生触电事故时,切不可惊慌失措,束手无策,首先要做到的是()。
A.立即抢救
B.打电话报警
C.迅速切断电源
参考答案:C
循环链表的主要优点是()。
A.不再需要头指针
B.在进行删除操作后,能保证链表不断开
C.从表中任一节点出发都能遍历整个链表
D.能很容易找到它的直接前驱节点
--- How is the man injured in the accident?
---- The doctor said if ________ in a proper way, he was likely to be saved.
A.treated
B.treating
C.is treated
D.to be treated