【单选题】One should keep ________ promise.
【简答题】The policeman's attention was suddenly caught by a small box which ______ placed under the Minister's car. A. has been B. was being C. had been D. would be
【单选题】算法的时间复杂度分为最好、最坏和平均时间复杂度,其中,比较容易分析和计算,并且最有价值的是( )?
【简答题】A.regularly B.gradually C.slightly D.suddenly
【简答题】A.To define one's goal. B.To buy more health and fitness magazines. C.To keep one's own habits. D.To reward oneself for any progress.
【单选题】在对算法的时间复杂度进行估计的时候,下列最佳的时间复杂度是 ___
【单选题】What will happen if the gravity suddenly disappeared? 查看材料
A.
Nothing on Earth will begin to float.
B.
The air will leap into space in a minute.
C.
Some of the living things will die gradually.
D.
Water is everywhere on Earth.
【多选题】中华民族一直崇尚精神的优秀传统,体现在( )