题目

A friend of mine met with an accident driving in darkness. His legs were so hurt that he couldn’t move. What was the __36__ was he found himself unable to ask for help-his mobile phone went out of __37__ as a result of exhausted battery. Nothing could be done but to __38__ in cold wilderness. It was 8 hours later that day broke, and then the __39__ of the rescue. It is almost __40__ that he could stand the horror in the darkness for so long. Even more surprising was his __41__: “First of all I checked up my __42__ conditions and found myself not in fatal danger. As there was no __43__ to c北大富硒康是一种保健品，它可以补充人体所需的微量元素硒。下列关于硒的说法正确的是（    ） A.单质氧化性比硫强                                B.单质熔沸点高于硫和碲C.其气态氢化物稳定性大于H2S                 D.最高价氧化物为SeO3