选择刀具起始点时应考虑（）。A、防止与工件或夹具干涉碰撞 B、方便刀具安装测量 C、
题型：单项选择题
问题：
选择刀具起始点时应考虑（）。
A、防止与工件或夹具干涉碰撞
B、方便刀具安装测量
C、每把刀具刀尖在起始点重合
D、必须选在工件外侧
题型：单项选择题
It all started at the beginning of the ninth grade. Carmen found she couldn't see things ___26___ all the time. She became very worried, but she hoped 27 would know that. When her mother asked her to see the eye doctor, she didn't 28 . But her mother's mind was made up. Three days later. Carmen got new glasses and instructions 29 . her doctor. "All of the kids will think I'm silly. " Carmen said. Her mother 30 and shook her head. "You look just as beautiful as before, she said. But Carmen didn't believe her. The next day. Carmen kept the 31 in her pocket(口袋))as she walked into the schoolyard. She stood alone away from her friends, feeling 32 Suddenly, she heard her friend Theresa shout. Carmen ran over to the other girls. "What's the 33 ?" she asked. "My ring is gone!" Theresa cried. "My sister sent it to me from California. It's very _34__ and I can 't lose it. " Carmen and her friends began to 35 the ring in the grassy area of the playground. Carmen realized that she could do better _36_ she could see better. She took the glasses out and put them on. Everything looked so _37_ ! So clear! She looked down at the ground and a bright light caught her 38 . It was the ring. "Here it is," she shouted. She handed it to Theresa. "Thanks, Carmen," she said. "I _39_ thought we'd find it." She paused(停顿). “Hey, 1 didn’t knowyou wore glasses. They look great!" Carmen had 40 that she was wearing the new glasses. “Thanks,” she replied. "Maybe wearing glasses won't be so bad after all." Carmen thought. 小题1:a. clearly B. carefully C. freely D. quickly 小题2: a. everybody B. anybody C. somebody D. nobody 小题3: a. explain B. care C. agree D.understand 小题4: a.by B. from C. like D. to 小题5: a. relaxed B.cheered C. smiled D. jumped
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