问题
单项选择题
实验室各种表面，含门、窗（把手）、墙（角）、动物笼具架和用具尽可能做成（），以防划伤皮肤或防护服装。
A.直角形
B.锐角形
C.钩状
D.圆弧状
答案
参考答案：D
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实验室各种表面，含门、窗（把手）、墙（角）、动物笼具架和用具尽可能做成（），以防划伤皮肤或防护服装。
A.直角形
B.锐角形
C.钩状
D.圆弧状
参考答案：D
When I was in the third grade, I was chosen to be the princess in the school play. For “weeks my mother had helped me practise my lines. But once on the stage, every word 11 from my head. Then my teacher asked me to change my role to be a narrator (解说者) for the play. 12 I didn’t tell my mother what had happened that day, she noticed my 13 and asked if I wanted to take a walk in the garden. It was a lovely spring day. We could see dandelions (蒲公英) popping (炸开) 14 the grass in bunches (束). I watched my mother bend down by one of the bunches. “I think I’ll dig up (挖光) all these weeds (野草),” she said. “From now on, we’ll 15 have roses in this garden.” “But I like dandelions,” I protested(抗议). “All flowers are 16 —even dandelions !” My mother looked at me seriously. “Yes, every flower gives pleasure in its own way, doesn’t it?” she asked thoughtfully. I nodded. “And that is 17 of people, too,” she added. When I 18 that she had guessed my pain, I started to cry and told her the truth. “But you will be a wonderful narrator,” she said, 19 me of how much I loved to read stories’ aloud. Thanks to my mother’s encouragement, I got to know everybody had his or her own 20 in the world. I felt proud of the role in the play.
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