()Chris worried about the presentation last week? A.IsB.WasC.Were
()Chris worried about the presentation last week?
A.Is
B.Was
C.Were
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提示：星期五晚上有音乐会，Chris得到两张票，打电话给Linda，问她是否有空一同前往，并约她音乐会后一起吃饭。Linda听了非常高兴，两人相约六点四十五分在入口处见面。Linda:Hello!This is Linda speaking.Chris:Hello,Linda,this is Chris.51?thisFriday evening?Linda:Yes,why?Chris:There′sa good concert,and I′ve got two tickets.I wonder?52Linda:That′s great!53?Chris:7o′clock.But how about?54 at 6:45?Linda:OK.I think I can make it.Chris:After the concert,55,shall we?Linda:Wonderful!Why don′t we go to a Chinese restaurant?Chris:Whynot?OK,see you Friday.Linda:See you then.Bye！第55题答案是
已知last指向单向简单链表的尾结点，将s所指结点加在表尾，不正确的操作是____。A．last-＞next=s,last=s,last-＞next=NULL;B．last-＞next=s,s-＞next=NULL,last=s;C．s-＞next=NULL, last-＞next=s, s=last;D．s-＞next=NULL, last-＞next=s,last=s;
7、已知last指向单向简单链表的尾结点，将s所指结点加在表尾，正确的操作是____。A．s-＞next=s,last=s,last-＞next=NULL;B．last-＞next=s,s-＞next=NULL,last=s;C．s-＞next=NULL, last-＞next=s, s=last;D．s-＞next=last, last-＞next=NULL,last=s;
已知last指向单向简单链表的尾结点，将s所指结点插入在表尾，正确的操作是____。A．s-＞next=s,last=s,last-＞next=NULL;B．last-＞next=s,s-＞next=NULL,last=s;C．s-＞next=NULL, last-＞next=s, s=last;D．s-＞next=last, last-＞next=NULL,last=s;
已知last指向单向简单链表的尾结点，将s所指结点加在表尾，正确的操作是____。A．s-＞next=s,last=s,last-＞next=NULL;B．last-＞next=s,s-＞next=NULL,last=s;C．s-＞next=NULL, last-＞next=s, s=last;D．s-＞next=last, last-＞next=NULL,last=s;
2、已知last指向单向简单链表的尾结点，将s所指结点插入在表尾，正确的操作是____。A．s-＞next=s,last=s,last-＞next=NULL;B．last-＞next=s,s-＞next=NULL,last=s;C．s-＞next=NULL, last-＞next=s, s=last;D．s-＞next=last, last-＞next=NULL,last=s;
已知last指向单向简单链表的尾结点，将s所指结点加在表尾，不正确的操作是____。A．s-＞next=NULL, last-＞next=s,last=s;B．s-＞next=NULL, last-＞next=s, s=last;C．last-＞next=s,s-＞next=NULL,last=s;D．last-＞next=s,last=s,last-＞next=NULL;
2、下列哪一个静态字段表示一周中的第几天。A．HOUR_OF_DAYB．WEEK_OF_YEARC．WEEK_OF_MONTHD．DAY_OF_WEEK