问题
单项选择题
咀嚼效率是指（）
A.嚼碎食物所需的时间
B.在一定时间内将一定量食物嚼碎的程度
C.在规定时间内将食物嚼碎
D.将食物嚼碎的能力
E.在一定时间内嚼碎食物的数量
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
咀嚼效率是指（）
A.嚼碎食物所需的时间
B.在一定时间内将一定量食物嚼碎的程度
C.在规定时间内将食物嚼碎
D.将食物嚼碎的能力
E.在一定时间内嚼碎食物的数量
参考答案：B
完形填空 (共20小题；每小题1.5分，满分30分) 阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。 I was standing on stage before 200 people, dressed up as George Washington. I had the lead role in my sixth grade 36 and, for the  past two months, I had walked back and forth in my room 37 to say my lines.Now it was time to give a 38 , and my heart was beating rapidly. At my 39 , I began to speak smoothly and clearly, but then it 40 : I  stuttered（口吃）. I knew I would, and I did.From that moment on, I 41 that my role in that play would be my first and my last. My speech problem affected 42 . As a child, I struggled to say a full sentence, repeatedly hearing the 43 comments of my parents. “Take a deep breath and think about what you’re going to say.” I was too 44 to admit I had a problem. 45 my school career progressed my speech problem became less noticeable, but it never 46 . It held me back. After realizing that class officers had to speak in front of the entire student body, I 47 running in class elections . I feared reading aloud and meeting new people. I would 48 sit in my room and cry, imagining what it would be like to be 49 , like everyone else. Finally, I came to my senses. I read articles about famous people who 50 their speech problems. I 51 the fact that I do have a problem that will always be with me. It has made me a  52 person and, with time, I know I’ll gain the confidence to stand up and 53 to myself that it will never hold me back. 54 , I know that I’m not the only one who 55 , because nobody is perfect.小题1:
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