题目

人在发高烧时，常常不思饮食，其根本原因是（ ） A.消化道内的食物尚未消化                     B.发烧使胃肠蠕动减弱 C.体内食物残渣排出受阻                  D.高烧使酶的活性减弱 答案：D 解析: 考查影响酶活性的因素。高烧时体温升高，酶的活性减弱。 Every school has its own(自己的) rules. In some schools in Asia(亚洲), students_______smoke(吸烟) or talk loudly. In some schools in America, each child must look after their_______well. They should cover the books. But one_______is very popular around the world: students have to wear_______on weekdays, but many students don’t like to wear the school uniforms_______they think the uniforms are the most ugly clothes in the world, but schools don’t let their students wear_______own clothes at school. Some students_______beautiful pictures or their favorite stars on their uniforms, because they don’t want to wear the_______clothes. What do you think_______it? Do you________your school uniform?【1】A.can’tB.don’tC.needn’tD.aren’t【2】A.schoolB.booksC.parentsD.family【3】A.schoolB.classC.ruleD.uniform【4】A.shirtsB.skirtsC.uniformsD.sweaters【5】A.becauseB.ifC.whenD.before【6】A.theirB.theyC.themD.themselves【7】A.readB.writeC.drawD.take【8】A.goodB.sameC.cheapD.new【9】A.forB.onC.withD.of【10】A.likeB.makeC.washD.take