PowerPoint 中上一张与下一张幻灯片间的动画是设置( )。
A. 幻灯片切换效果
B. 自定义放映
C. 动画效果
D. 预设动画
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在PowerPoint 中,设置动画播放后隐藏是在( )。
A. 动画效果
B. 顺序和时间
C. 图表动画
D. 效果选项
选词填空 (答案只填写选项字母,否则为零分)A. withdrawB. declineC. interferingD. burningE. compromisingF. reliableG. opportunityH. schedulesI. decreaseJ. generateK. committingL. contrastingM. consistentN. flexibleO. circumstancesNowadays college education cost is rising sharply. More and more college students have to work in order to 1) ___ income to support themselves. But how can you prevent working from 2) ___ with your study?Firstly, plan your class and work 3) ___ as far ahead as possible. Arrange your classes in a way so that you have one or two days for work.Secondly, use time well instead of 4) ___ the midnight oil. Studying late until midnight may make you tired and take a(n) 5) ___ toll on your health. Use those 10 minutes waiting for the bus to read a few more pages. If your job has a lot of downtime (自由支配时间), use the 6) ___ to do school assignments. Never try to cut corners by copying assignments from other students.Thirdly, set a goal for your academic performance. You'll probably have to 7) ___ your work hours, or even, if possible and necessary, 8) ___ from the workforce to be successful in study. After all, it is not a good idea to risk 9) ___ your student career with part-time jobs.Fourthly, inform all your professors, teaching assistants and employers about your situation so that they can be 10) ___ as well. Winning their support is the best way to keep them on your side.
在MATLAB中输入:A=[0 1 0 0;1 0 0 0;0 0 0 1;0 0 1 0];[v,d]=eig(A)是计算( )
A的特征值和特征向量
B. A的特征值
C. A的特征向量
D. A的行列式
在MATLAB中输入:A=[0 1 0 0;1 0 0 0;0 0 0 1;0 0 1 0];p=orth(A)是计算( )
A的正交变换矩阵
B. A的特征值
C. A的逆矩阵
D. A的转置矩阵