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【多选题】
Read the conversation. Choose the proper sentences from A to E to complete the conversation.
A.
I can come back later
B.
May I clean your room now
C.
May I come in
D.
I ’ m sorry to disturb you
E.
What time would be convenient A: Housekeeping. 1 ? B: Come in, please. A: Good morning, sir. 2 . May I make up your room now? B: Well, but I ’ m a bit tired right now. A: I ’ m sorry about this, 3 . B: Thank you so much. A: 4 , sir? B: What about two hours later? A: All right. Have a good rest, sir. I ’ ll come at 10:30a.m. (Two hours later) A: Housekeeping. May I come in? B: Yes, come in. A: Excuse me. 5 ? B: Of course.
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参考答案:
举一反三
【单选题】流利说长对话话1
A.
It poses a challenge to seniors
B.
It saves both time and money
C.
It is childish and unprofessional
D.
It is cool and convenient
【单选题】流利说长对话1
A.
He thought it was cool
B.
He needed the practice
C.
He wanted to stay connected wih them
D.
He had an urgent message to send
【单选题】在只有尾节点指针 rear 没有头节点的非空循环单链表中,删除开始节点的时间复杂度为( )
A.
O(1)
B.
O(n)
C.
【判断题】成人旅客购买卧铺车票乘车时,可以携带的免费行李为50千克。( )
A.
正确
B.
错误
【简答题】设有以下语句: struct st { int n; struct st *next; }; struct st a[3]={5, &a[1], 7, &a[2], 9, '\0' }, *p; p=&a[0]; 则以下输出值为6的是( )。A. printf("%d\n",p++->n); B. printf("%d\n",p->n++); C. printf("%d\n",(*...
【单选题】设有以下语句: struct st { int n ; struct st * next ; } ; static struct st a[3]= {5 , &a[1] , 7 , &a[2] , 9 , '\0'} , * p ; p=&a[0] ; 以下表达式的值为 6 的是 ( )
A.
p++ – >n
B.
p – >n++
C.
( * p) . n++
D.
++p – >n
【单选题】在只有尾节点指针 rear 没有头节点的非空循环单链表中,删除开始节点的时间复杂度为( )。
A.
o(1)
B.
o(n)
C.
o( )
D.
o(m×n)
【单选题】在只有尾节点指针rear没有头节点的非空循环单链表中,删除开始节点的时间复杂度为( )。
A.
O(1)
B.
O(n)
C.
D.
【单选题】在只有尾节点指针 rear 没有头节点的非空循环单链表中,删除尾节点的时间复杂度为( )。
A.
o(1)
B.
o(n)
C.
o( )
D.
o( )
【单选题】在只有尾节点指针rear没有头节点的非空循环单链表中,删除尾节点的时间复杂度为( )。
A.
O(1)
B.
O(n)
C.
D.
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