题目

经研究证实ATP是细胞的能量“通货”。请分析回答问题。 （1）ATP分子结构简式是            。中文名称：                     。研究发现，正常成年人安静状态下24 h有40 kg ATP发生转化，而细胞内ADP、ATP的浓度仅为2～10 mmol/L，为满足能量需要，人体解决这一矛盾的合理途径是_________________（写方程式，标明条件）。 （2）细胞间隙中的ATP在有关酶的作用下，3个磷酸基团逐个脱离下来，最后剩下的是________。 （3）用小刀将数十只萤火虫根据短文内容，选择正确答案。CMany children act in TV shows. They work several hours every day, so they cannot go to regular school. How do they get their education?In Hollywood many TV shows are made. About forty teachers give lessons for the children in the shows. They teach wherever their pupils are working. The teachers' job is very important. They are responsible for making sure that the children work only the permitted hours each week. They are also responsible for making sure that the children learn the required subjects. They make sure, too, that the children get enough rest and play, along with their education.Child actors are required to attend classes twenty hours each week. California law says they must be taught from September to June. If they do not make much progress in school, they are not permitted to continue working in TV shows. TV children are usually good pupils, and most of their teachers like this special kind of work. Their classes are held in some wonderful places. Sometimes the “classroom” is a Mississippi riverboat. Sometimes it is the inside of a spaceship. Often the pupils become famous stars.（1）The teachers in Hollywood usually hold classes in ___________.A.a classroom buildingB.some interesting placesC.a Mississippi riverboatD.a spaceship（2）The teachers’ duty is to make sure that the child actors __________.A.do not overworkB.learn what they must learnC.have enough sleep and playD.all the above（3）The pupils are not allowed to continue working if they ___________.A.do not act wellB.go to regular schoolC.do not get good marksD.cannot become famous stars（4）Which of the following statements is NOT true?A.California law does not allow children to act in TV shows.B.Many of the child actors can become famous stars.C.The lessons are given by about forty teachers.D.The teachers must teach them from September to June.