问题
单项选择题
DTM-452在参考线放样界面中，Sta表示（）
A.从P1沿直线的距离
B.与直线垂直的距离
C.到直线的高差
答案
参考答案：A
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DTM-452在参考线放样界面中，Sta表示（）
A.从P1沿直线的距离
B.与直线垂直的距离
C.到直线的高差
参考答案：A
| 完形填空。 | |||
| The moment happened 30 yours ago but it was still fresh in my memory. I was a college freshman and had ___1__up most of the night before laughing and talking with friends. Now just before my first __2__of the day my eyelids were feeling heavier and heavier and my head was drifting down to my desk to make my textbook a __3__. A few minutes nap (小睡)time before class couldn't __4__, I thought. BOOM! I lifted my head suddenly and my eyes opened wider than saucers. I looked around with my __5_beating wildly trying to find the cause of the __6__. My young professor was looking at me with a boyish(孩子气的)smile on his face. He had __7__ dropped the textbooks he was carrying onto his desk. "Good morning!", he said still __8__. "I am glad to see everyone is __9__. Now let's get started. " For the next hour I wasn't sleepy at all. It wasn't from the __10__of my professor's textbook alarm clock either. It was instead from the __11__discussion he led. With knowledge and good __12__ he made the material come __13__. His insight was full of both wisdom and loving-kindness. And the enthusiasm and joy that he __14__with were contagious(有感染力的). I __15__ the classroom not only wide awake, but a little __16__and a little better as well. I learned something far more important than not __17__in class that day too. I learned that if you are going to do something in this life,do it well,do it with __18__. What a wonderful place this would be if all of us did our work joyously and well. Don't sleepwalk(梦游)your way through __19__then. Wake up! Let your love fill your work. Life is too __20__not to live it well. | |||
| ( )1．A. took ( )2．A. class ( )3．A. platform ( )4．A. benefit ( )5．A. heart ( )6．A. trouble ( )7．A. angrily ( )8．A. smiling ( )9．A. active ( )10．A. sound ( )11．A. fascinatin ( )12．A. gesture ( )13．A. strange ( )14．A. taught ( )15．A . decorated ( )16．A. clearer ( )17．A. discussing ( )18．A. joy ( )19．A. work ( )20．A. hard | B. divided B. test B. pillow B. help B. mind B. noise B. carelessly B. talking B. curious B. shock B. convincing B. sense B. natural B. spread B. filled B. smarter B. speaking B. speed B. life B. complex | C. stayed C. task C. carpet C. last C. thought C. failure C. deliberately C. complaining C. present C. interruption C. puzzling C. humor C. handy C. combined C. left C. quieter C. cheating C. aim C. journey C. short | D. put D. lecture D. wall D. hurt D. head D. incident D. accidentally D. shouting D. awake D. blow D. encouraging D. design D. alive D. started D. entered D. stronger D. sleeping D. de termination D. college D. simple |