【简答题】The TV set he _________ workswell now. A. hasrepairing B. having repaired C. has beenrepaired D. has had repaired
【判断题】实数域上二次型的规范形存在且唯一,且由二次型的秩唯一确定。
【简答题】下面能让线程停止执行的操作有( )A. sleep();B. stop();C. notify();D. wait();
【判断题】任一实二次型在实数域上的规范形是唯一确定的.
【单选题】She is deeply attracted by TV play. She won't leave the TV set ______ the whole family is waiting for her to have supper.
【判断题】万物有灵论的解释接近于无神论的解释。()
【简答题】下面能让线程停止执行的有哪些 A. B. C. D. E. F. G.A. sleep();B. stop();C. notify();D. suspend();E. yield();F. wait();G. notifyAll();
【单选题】Such electron tubes ______ in a radio set are also found in a TV set.
【判断题】任意一个实数域上的二次型,经过一适当的非退化线性替换可以变成规范形,且规范型唯一。()