一种学习对另一种学习起到了积极的作用，说明发生（） 水平迁移。 正迁移。 垂直迁移。 一般迁移。
比才最优秀的歌剧作品是（），它代表着法国喜歌剧的最高成就。 A、《茶花女》 。 B、《卡门》 。 C、《魔笛》 。 D、《唐璜》。
在商品交换中，商品价格是以（） 买卖双方讨价还价为基础。 商品供求关系为基础。 商品的效用大小为基础。 商品的价值为基础。
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!
___7___内应选（） bike。 midnight。 fortunately。 look。 problem。 faced。 sure。 on。 feared。 tiny。 completely。 lick。
个别企业劳动生产率越高，单位时间生产的商品数量增多，因此（） 单位商品的价值量越少，价值总量不变。 单位商品的价值量越大，价值总量增加。 单位商品的价值量不变，价值总量不变。 单位商品的价值量不变，价值总量增加。
在重复学习时，要掌握好“度”，这就是适当的超额学习，如果一名学生背诵一篇短文，背了10遍刚好能回忆起来，那么他应该再背（）遍。
