Send out a/an ___ (嘹头)to forecastle deck.
A.lookout
B.look out
C.look ahead
第1题:
A head-on situation at night is one in which you see dead ahead a vessel showing ______.
A.one sidelight
B.one sidelight and a masthead light
C.one sidelight and two masthead lights
D.both sidelights of a vessel and her masthead light(s)
第2题:
带头结点的单向链表的头指针为head,该链表为空的判定条件是()的值为真。
Ahead==NULL
Bhead->next==head
Chead->next==NULL
Dhead==head->next
第3题:
This sign warns()ahead.
Apeople the danger
Bpeople of the danger
Cpeople about the danger
Dthe danger
第4题:
带头结点的链表为空的判断条件是()(设头指针为head)。
Ahead->next==NULL
Bhead->next==head
Chead==NULL
Dhead!=NULL
第5题:
带头结点的单向链表为空的判断条件是()(设头指针为head)。
Ahead==NULL
Bhead!=NULL
Chead->next==head
Dhead->next==NULL