与心智技能相比，操作技能的特点为（）。 ["对象具有客观性","执行具有外显性","结构具有展开性","对象具有观念性","执行具有内潜性"]
引起血吸虫病的血吸虫中间宿主为（）。 ["蛙","鱼","螺","贝"]
“俄罗斯音乐之父“是指（）。 ["A、鲍罗丁 ","B、穆索尔斯基 ","C、居伊 ","D、格林卡"]
As Christmas is coming, there are presents to be bought, cards to be sent, and rooms to be cleaned. Parents are ___1___ with difficult jobs of hiding presents from curious young children. If the gifts are large, this is sometimes a real ___2___. On Christmas Eve, young children find the excitement almost unbearable. They are torn between the wish to go to bed early so that Father Christmas will bring their presents quickly and the wish to stay up late so that they will not miss the fun. The wish for gifts usually proves stronger. But though children go to bed early, they often lie awake for a long time, hoping to get a short ___3___ at Father Christmas.
Last Christmas, my wife and I successfully hid a few large presents in the storeroom. I ___4___ the moment when my son, Jimmy, would ask me where that new bike had come from, but ___5___ he did not see it.
On Christmas Eve, it took the children hours to go to sleep. It must have been nearly ___6___ when my wife and I went quietly into their room and began filling stockings. Then I pushed in the ___7___ I bought for Jimmy and left it beside the Christmas tree. We knew we would not get much sleep that night, for the children were ___8___ to get up early. At about five o’clock the next morning, we were woken by loud sounds coming from the children’s room — they were shouting excitedly! Before I had time to get out of bed, young Jimmy came riding into the room on his new bike, and his sister, Mary, followed close behind pushing her new baby carriage. Even the baby arrived. He moved ___9___ the hands and knees into the room dragging a large balloon behind him. Suddenly it burst. That woke us up ___10___. The day had really begun with a band!
___6___内应选（） ["bike","midnight","fortunately","look","problem","faced","sure","on","feared","tiny","completely","lick"]
某烧结机的有效长度为30m，台车移动速度为1.5m/min，料层厚度为600mm，那么垂直燃烧速度是多少（假设到最后一个风箱末端烧结正好终止）？
根据记忆规律，教师应怎样组织学生进行有效复习？
