【简答题】DCS 系统可根据设备安装位置划分为 、 、 三大子系统。
【单选题】制作一个图形从某点开始,沿直线运动一段时间,在另一处停止,应该需要设置多少个关键帧?
【单选题】What does the author think a prestigious university like Harvard should focus on?
A.
Cultivation of student creativity.
B.
Defense of the scientific method.
C.
Liberation of the human mind.
D.
Pursuit of knowledge and truth.
【简答题】为文件夹下HEIBEI文件夹中的QUAN.FOR文件建立名为QUAN的快捷方式,并存放在文件夹下。
【单选题】What does the author say about high-potential women in the not-too-distant future?
A.
They will benefit from the trend of more fathers staying at home.
B.
They will find high-paying professions a bit more family-friendly.
C.
They are unlikely to break their career trajectrory to raise a family.
D.
They will still face the difficult choice between career and children.
【单选题】what does the author imply in the last paragraph?
A.
Sleeplessness does harm to people's health.
B.
Few people really know the importance of sleep.
C.
It is important to study our sleep patterns.
D.
Average people probably sleep less than the rich.