Are you a man or a mouse? When people ask this question they want to know you think you are a person or a coward (懦夫). But you will never really know the answer to this question you are tested in real life. Some people they are brave but when they come face to face with real , they act like cowards. Others think of themselves as cowards, but when they meet danger, they act like heroes. Lenny had always thought of himself as a nervous person. He got worried before examinations. He worried about his job and health. All he wanted in life was to be safe and healthy. But December 15th, 2013, a plane crashed into a river in Washington. Lenny went to the river to see what was happening. He saw a woman in the water. Lenny did not feel afraid. He behaved very and did a very dangerous thing. He jumped into the river and to the woman, and kept her head above the water. Seventy-eight people died that day. Thanks to Lenny, it was not . When you are in a very dangerous situation and feel afraid, the body automatically(自动地) produces a chemical in the blood. The chemical is called adrenalin(肾上腺素). With adrenalin in the blood system, you actually feel stronger and stronger and are ready to fight. 小题1:A. neither B. whether  C. either 小题2:A. brave   B. real C. hard 小题3:A. when    B. until    C. after 小题4:A. realize B. find C. think 小题5:A. question    B. mouse    C. danger 小题6:A. on  B. in   C. for 小题7:A. fresh   B. warm C. ice-cold 小题8:A. nervously   B. calmly   C. fearfully 小题9:A. went    B. spoke    C. swam 小题10:A. an accident    B. seventy-eight    C. seventy- nine