某投资项目，计算期5年，每年年末等额回收120万元，在利率为8%时，开始需一次投资（）万元 256.24。 315.65。 479.13。 541.26。
中原文化固有的向心力在促进民族的伟大复兴中发挥的聚合作用。“常回家看看”就是这种凝聚作用的具体体现。
康熙年款
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!
___4___内应选（） bike。 midnight。 fortunately。 look。 problem。 faced。 sure。 on。 feared。 tiny。 completely。 lick。
某技术方案年设计生产能力为6000件，每件产品价格为50元，单件产品变动成本为20元，单件产品销售税金及附加（含增值税）为10元。年固定总成本为64000元。用产量表示的盈亏平衡点为（）件。 A.800 。 B.1600 。 C.2133 。 D.3200。
小学生学习汉语拼音会干扰英语音标的学习，这是（）。
