题目

 下列关于新陈代谢的叙述，正确的是 A．无氧呼吸不产生二氧化碳，而有氧呼吸必须在线粒体中产生二氧化碳 B．运动员在100 m赛跑时，腿部肌肉的能量供应主要来自此时所进行的有氧呼吸 C．植物有氧呼吸的强度晚上比白天强，无氧呼吸的强度白天比晚上强 D．在夏季晴朗的白天，温度适宜的条件下，绿色植物光合速率大于呼吸速率 第1至5题是关于的内容，文后给出了对这些内容的主题概括（选项A，B，C，D，E和F）。从A－F中选出与1－5描述相符合的最佳选项。选项中有一项是多余的。 1．________Some people cannot learn in ordinary schools．Often some physical or mental handicap prevents a child from learning．In education today new methods are being used in special schools to help the handicapped learn． 2．________One school for handicapped persons is now being established in the southern part of New Jersey．It is called the Bancroft Community．It is not surrounded by walls of any kind．Its director, John R．Tullis insists that it be open so that the students may gradually develop normal relations with the rest of the world． 3．________Bancroft Community students will live in apartments or in a house, cooking their meals, washing their own clothes, and learning to perform other tasks．Gradually, they will buy their own furniture, paying for it out of their own earnings．They will pay rent and pay their food, too．They will learn to expect telephone bills for the calls they make every month． 4．________As a step toward the goal of becoming independent, each handicapped person will decide what kind of work he wants to be trained to do．While some of the training will be carried on within the Bancroft Community itself, most of the students will receive job training in nearby towns．They will be trained by townspeople for whom they will work without pay． 5．________Mr．Tullis and others are seeking help from business in the area who might be able to use a dishwasher, cook, gas station attendant, or clerk．Many have become interested．The businessmen will benefit from having an extra worker whom they will not have to pay．They will not be responsible for providing all the training, however．A teacher from Bancroft will work with each student one day a week, staying with him while he washes dishes or fills gas tanks, or whatever his job requires him to do． A．Teachers in a special school． B．Function of a special school． C．Training students to support themselves． D．Practical experience． E．Training students to be ready for jobs． F．The Bancroft Community．