镁条在空气中燃烧是化学变化的主要依据是（ ） A．燃烧时发出耀眼的光 B．燃烧时 发布时间：2017-06-02 22:46 │ 来源：www.tikuol.com 题型：选择题 问题： 镁条在空气中燃烧是化学变化的主要依据是（ ）A．燃烧时发出耀眼的光B．燃烧时放出大量热C．燃烧后变成白色固体D．镁条燃烧后最终消失
题型：选择题 完形填空。 True forgiveness is one of the most remarkable qualities a human can possess! In the fighting between two countries in the 1970s, a young man was walking from one village to the next when he was 1 by an armed guerrilla (游击队) fighter from the enemy country. The fighter 2 the young man down the hill where he was to be 3 . But a (n) 4 thing happened. The young man, who had 5 military (军事的) training, was able to disarm (解除武装) the fighter. Now, the table was 6 , and it was the fighter who was ordered down the hill. As they walked, 7 , the young man began to reflect on what was happening. Recalling the 8 of his mother, "Love your enemies; do good to those who 9 you." he found he could go no further. He 10 the gun into the bushes, told the fighter he was 11 to go and turned back 12 the hill. Minutes later, he heard footsteps 13 behind him as he walked. "Is this the end after all?" he 14 . Perhaps the fighter had got the gun and wanted to finish him off. But he continued on, 15 glancing back, until his enemy reached him, only to grab him in a hug and pour out 16 for sparing his life. Mercy often wears the face of 17 . And though it usually isn't an enemy in uniform that we are challenged to forgive, we hav 18 for mercy every day. Family members and friends, co-workers and neighbors and even strangers have 19 for our forgiveness. You know who they are. As Mahatma Gandhi said, "The 20 can never forgive. Forgiveness is the attribute (特性) of the strong." Be strong. Forgive. ( )1. A. shot ( )2. A. demanded ( )3. A. beaten ( )4. A. amazing ( )5. A. watched ( )6. A. turned ( )7. A. thus ( )8. A. expressions ( )9. A. forgive ( )10. A. packed ( )11. A. free ( )12. A. for ( )13. A. showing ( )14. A. shouted ( )15. A. seldom ( )16. A. marks ( )17. A. awareness ( )18. A. opportunities( )19. A. need ( )20. A. lonely B. murdered B. reminded B. shot B. frightening B. received B. covered B. indeed B. plans B. hate B. dragged B. slow B. into B. waving B. counted B. never B. favors B. kindness B. explanationsB. responsibilityB. weak C. killed C. ordered C. accepted C. inspiring C. accepted C. moved C. therefore C. wordsC. instruct C. forced C. nervous C. up C. running C. wondered C. always C. thanks C. safeness C. hopesC. patience C. healthy D. caught D. required D. driven D. confusing D. suggested D. repaired D. however D. signals D. help D. threw D. eager D. down D. jumping D. argued D. sometimes D. reasons D. forgiveness D. lessons D. energy D. calm 查看答案
题型：选择题 临床医学研究中的保密原则（）A.欺骗、威胁、利诱进行医学临床实验违反了道德和法律 B.负担和受益要公正分配 C.受试者与研究者之间应保密 D.死亡家属有权获得赔偿 E.需获得伦理专家委员会（或主管部门）的批准 查看答案