题目

淀粉在人体口腔中消化成A. 葡萄糖 B. 麦芽糖 C. 维生素 D. 氨基酸 答案：【答案】B【解析】试题分析：淀粉的消化从口腔开始，口腔中的唾液淀粉酶能够将部分淀粉分解为麦芽糖，当淀粉和麦芽糖进入小肠后，由于小肠中的胰液和肠液中含有消化糖类、脂肪和蛋白质的酶，因此，淀粉等糖类物质在小肠内被彻底消化为葡萄糖．故选：BThe relationship between student and teacher is less formal in the USA than in many other countries, especially at the college level. When teachers come into the classroom , the students don’t need to stand up. Students are generally encouraged to ask questions during class, to go to the teacher’s office for help after class, and to phone if they can’t go to school and need help with their lessons. (2)Most teachers allow students to enter class late or leave early, if necessary.However, students are still asked to be    (1)   to their teacher and classmates and to be (1)   during a test. When students want to ask questions, they usually put up a hand and wait. When the teacher or a student is speaking to the class ,it’s rude to talk to another classmate, even in a low voice. When a test is being given, talking to a classmate is not only rude but also wrong. In the eyes of most American teachers, students who are talking to each other during a test are cheating(作弊).【小题1】 在(1)句的空白处分别填入一个适当的词使句意完整、上下文通顺。_____________     _______________【小题2】 将(2) 句译成中文。 __________________________________________________________________________【小题3】 回答问题：Where do the students go to ask for help after class?______________________________________________________________________【小题4】 从文中找出同义句。Most teachers think it is dishonest for students to talk about something when they are having a test. __________________________________________________________________________【小题5】 在文中找出最能表达该短文主题的句子。 __________________________________________________________________________