As a librarian, she spends most of her time ______ books on the shelves every day.
A. arranging
B. selling
C. controlling
D. borrowing
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若要将当前盘目录下的文件A.TXT连接在文件B.TXT后面,应使用的命令为( )。
A. COPY A.TXT>>B.TXT
B. MOVE A.TXT>>B.TXT
C. PATH A.TXT>>B.TXT
D. TYPE A.TXT>>B.TXT
We should have a(n) ______ medical examination at least once a year.
A. accurate
B. actual
C. chief
D. thorough
—Tom, it is careless of you to have left your key in the lock hole of your car. —() So I did. I might have my car stolen.
A. Thank you.
B. I'm sorry.
C. My God[
D. It doesn't matter.
设线性表中有2n个元素,算法( ),在单链表上实现要比在顺序表上实现效率更高。
A. 删除所有值为x的元素
B. 在最后一个元素的后面插入一个新元素
C. 顺序输出前k个元素
D. 交换第i个元素和第2n-i-1个元素的值(i=0,i,…,n-1)