微型计算机产品至今已经历了多次演变，其主要标志是( )。A．体积与重量 B．用途
题型：单项选择题
问题：
微型计算机产品至今已经历了多次演变，其主要标志是( )。
A．体积与重量
B．用途
C．价格
D．微处理器的字长和功能
题型：单项选择题
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| Recently I've completed my college degree.The__1__course was sociology and the last project was called "smile",which asked us to go out and smile at three people and__2__their reactions. It was freezing.My husband and I went out to McDonald's.We were standing in line,waiting to be __3__,when all of a sudden everyone around us began to__4__away from their position. As I turned around I smelled a__5__"dirty body" smell,and there standing behind me were two poor __6__men.As I looked down at the short gentleman__7__to me,he was smiling and his beautiful sky blue eyes searched for__8__. To sit in the restaurant and__9__up,they had to buy something.When the young lady at the counter asked what they wanted,he said coffee because that was all they could__10__. I smiled and asked the lady for two more breakfast meals on two__11__plates.I then walked around the corner to the table that the men had chosen as a__12__spot. I put the plates on the table and__13__the blueeyed gentleman's cold hands with my hands.With tears in his eyes,he said,"Thank you." I noticed all the__14__in the r  estaurant were set on me.My husband__15__at me and gave me a big hug. I returned to college and handed in a paper about this story as my__16__to the instructor.She read it and then asked,"Can I __17__this?" I nodded.Just at that time I realized in my own way I had__18__the people at McDonald's,my husband,the instructor,and every soul that shared the classroom.I__19__with one of the biggest lessons I would ever learn-unconditional acceptance.We shouldn't__20__people based on their appearance. | ||||
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