【简答题】两列对开的列车相遇,第一列车的车速为10米/秒,第二列车的车速为12.5米/秒,第二列车上的旅客发现第一列车在旁边开过时共用了6秒,则第一列车的长度为多少 米?( )
【多选题】教育者根据教学任务编制的、有规则的游戏包括( )。
【简答题】How close parents are to their children ________ a strong influence on the character of the children. A) have B) has C) having D) to have
【简答题】两列对开的列车相遇,第一列车的车速为10米/秒,第二列车的车速为12.5米/秒,第二列车上的旅客发现第一列车在旁边开过时共用了6秒,则第一列车的长度为多少米?( )
【单选题】One aspect of 'the universality of toys' lies in the fact that ______.
A.
the basic characteristics of toys are the same the world over
B.
the improvement of craftsmanship in making toys depends on the efforts of universities
C.
the exploration of the universe has led to the creation of new kinds of toys
D.
technological advances have greatly improved the durability of toys
【判断题】. 有规则游戏包括智力游戏、音乐游戏、体育游戏。 ( )
【判断题】自动引导车是典型的机电一体化的高科技产品,是计算机科学技术、自动化控制技术、电子技术、机械技术、动力学、光学等多学科的综合产物