题目

按题目要求作图：  (1)如图入射光线平行于透镜的主光轴，画出经透镜后的折射光线. (2)如上图，在杠杆AB上挂了一个重为G 的物体．为使杠杆在图中的位置静止．请在杠杆上画出最小的动力F 和它的方向． (3)将图中各元件正确接入电路，其中开关只控制电灯，三孔插座带保险盒． 答案：略．完形填空(共20小题；每小题1.5分，满分30分) 阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项。 The future belongs to those who believe in the beauty of their dreams.    ------ Eleanor Roosevelt My home is a place of great beauty and agricultural richness, as well as of war and natural disasters. When I was only fourteen years old, I was filled with __36__ in spite of the terrible surroundings. The families living here, who tried to make their living from the land, __37__ great losses. For the __38__ I felt sorry especially, but I __39__ to be hopeless. I decided that where I was, I could do __40__ to help them. I began knocking on every door and saying to each person who __41__ my knock, “I know that you are __42__ and give the birds that come to your yard a little __43__. Please consider me your bird. Give me only a handful of rice each week when I come to your __44__. I will take it to the temple where it can be given to the __45__ children.” No one seemed to __46__ giving me a handful of rice, even __47__ they had little themselves. On Sunday, I would go to the __48__ and give my handfuls of rice to the monks to __49__ to the children. One day, I came to a house that had __50__ to give. I told my story and asked if I could be their bird. The woman called her daughters, and __51__ gave me fifty cents, as well as the handful of rice! I began to ask for __52__ and rice from the other “bird feeders”, and they gave them to me. Everyone was happy to be helping those who were suffering, even __53__ only this small way. The temple was soon able to help everyone who came to it for food and clothing. “Consider me your bird.” My __54__ idea had not stopped the war, but anyway, it was __55__ some peace. 1. A．sorrow B．hope C．comfort D．happiness 2. A．suffered B．survived C．covered D．made 3. A．farmers B．citizens C．villagers D．children 4. A．wanted B．failed C．refused D．stopped 5. A．something B．everything C．anything D．nothing 6. A．said B．replied C．answered D．spoke 7. A．glad B．kind C．rich D．friendly 8. A．water B．money C．nest D．rice 9. A．kitchen B．room C．door D．garden 10. A．brave B．hungry C．promising D．nervous 11. A．mind B．escape C．practice D．enjoy 12. A．so B．that C．as D．when 13. A．village B．hometown C．temple D．house 14. A．give in B．give up C．give away D．give over 15. A．much B．little C．many D．few 16. A．every B．each C．neither D．none 17. A．help B．advice C．food D．change 18. A．by B．with C．on D．in 19. A．clever B．childish C．foolish D．effective 20. A．creating B．mending C．developing D．managing