Look at this picture. This is a photo   1  my family. There are(有)  2 people(人) in the picture. They are my  3  , my mother, my brother, my sister and me. The   4   is my father. My mother   5   near (在……旁边) my father. The ____6_____beside (在……旁边) my mother is my brother. The little girl near my mother  is my  7 .    8  is very clever and cute（聪明又可爱）. Everyone likes her very much. Who is    9   boy in the middle (在中间)? Ah! It is me.    10  love（爱） my family very much（非常）.

小题1:A. for       B. on             C. of

小题2:A.seven       B. six             C. five

小题3:A. mother    B. father             C. grandfather

小题4:A .girl           B. boy             C. man

小题5:A. are       B. is              C. am

小题6:A.girl           B. boy            C. son

小题7:A.brother         B. sister          C. son

小题8:A. He        B. She            C. They

小题9:A. a             B. these              C. the

小题10:A. I            B. Me             C. My

计算题：有一设备重量为50KN，由β＝45°的四分支吊索承受起吊，如图，试计算并说明选用什么规格的钢丝绳做吊索承受的破断拉力。（cosβ=45°=0.707P=17.5mm为172.5KN，D＝19.5mm，218.5KN）