题型：填空题 完形填空。 One day something went wrong with a man's bicycle chain (链条). The man could not repair it, so he looked 1 for help. The only house nearby belonged to a woman who had 2 there a few months earlier. The man knocked at the door, but the woman did not answer. The door had clear glass in it, and the man 3 see that the woman was home. He decided to knock again. Finally the woman came to the door. The man immediately explained his 4 ."I can fix the chain," the woman said. Later when the bike was 5 to go, the man said, 'Thanks. I hope I can help you some day.""I never need help," the woman said. The following week the man was riding his bike 6 he noticed the woman walking down the street. A strong wind suddenly lifted (拾起) her hat and sent it into the branches (枝) of an old tree. The woman tried to get her hat with a stick, but she failed. She seemed 7 because she clearly was not dressed for tree-climbing. The man hurried over, quickly climbed up to the hat and 8 it into the woman's waiting hands. When she put on her hat, she 9 the man as he climbed back on his bike. 'I think I told you I never need help," the woman said, "I'm glad you didn't 10 me. Thanks." Then they both smiled. ( )1. A. out ( )2. A. left ( )3. A. could ( )4. A. idea ( )5. A. hard ( )6. A. when ( )7. A. bored ( )8. A. dropped( )9. A. saved ( )10. A. excuseB. up B. moved B. might B. plan B. ready B. before B. relaxedB. put B. passed B. notice C. down C. waited C. couldn't C. problem C. slow C. after C. frightened C. collected C. studied C. find D. around D. stopped D. didn't D. message D. unable D. though D. worried D. brought D. chose D. believe 查看答案
题型：填空题 在给定条件下，可以大量共存的离子组是A．含有0．1 mol·L—1 Fe3+的溶液中：H+、Fe2+、Na+、Br-B．强碱性溶液中：K+、Al3+、Cl—、SOC．在pH=1的溶液中：Mg2+、Na+、ClO-、NO3-D．加入强碱再加热，既有气体放出又有沉淀生成的溶液：Ca2+、HCO3-、NH4+、Cl- 查看答案
