题目内容

为保证邮件安全，目前最流行的方法是（）技术。

A. PGP
B. SSL
C. SET
DSS

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The management control process should ______ to measure whether predetermined goals are being achieved.

A. enforce
B. endow
C. endeavor
D. enhance

During the business intervals, customers appreciate the guest rooms which are full of pictures and other beautiful ______.

A. complements
B. illustrations
C. ornaments
D. implementations

At the beginning of each course, the teacher should give a very ______ explanation of his plan for this course.

A. comprehensive
B. decisive
C. inclusive
D. complicated

若长度为n的线性表采用顺序存储结构，在第i≤1≤i≤n+1）个位置插入一个新元素的算法时间复杂度为（）。

A. O(0)
B. O(1)
C. O(n)
D. O(n2