题目内容：

    Daniel Mazur and his companions spent seven hours climbing up Mt Everest through ice and snow, digging the crampons（攀岩用鞋冰爪）into the ice and taking _____steps. They were less than three hours away from the spectacular 29,017-foot summit. As Daniel looked out on the ______peaks below, he suddenly saw a flash of bright yellow to his left. To his _____, it moved.“What the hell ?”he _____. When he _____, Daniel noticed a man sitting on the edge of a cliff, with no hat, gloves or _____. Pulling his frostbitten hands out of his snowsuit, the man named Hall burst into laughter. _____, he suffered from cerebral edema(脑水肿), which______ to his loss of consciousness. The other men ______Hall away from the cliff 's edge and helped him back into his ______. They attached their ropes to Hall in case he _____off the cliff. They were______when two Italian climbers, intent on reaching the summit, passed by. Sadly, they______to help. It _____Daniel and his team two days to lower Hall down. As soon as they arrived at the safe and suitable place, Hall was sent to the hospital immediately.

____their help, Hall could very well have died on Everest . Although his rescue is a_____, it has caused a debate on climbers who leave behind the sick and injured in ______ of Everest's grand prize. “Once you are up there, you _____as though you could do anything.” Danie said, “Sure, I wish I could have reached the _____again. But there's no _____we could have left Hall on that ridge.”

1.A.special B.severe C.cautious D.worried

2.A.snow-covered B.fog-covered C.water-covered D.rock-covered

3.A.embarrassment B.amazement C.excitement D.amusement

4.A.wandered B.discovered C.wondered D.cried

5.A.started B.thought C.stayed D.approached

6.A.trousers B.shoes C.snowsuits D.sunglasses

7.A.Finally B.Normally C.Obviously D.Easily

8.A.led B.returned C.responded D.adapted

9.A.spread B.drew C.brought D.broke

10.A.snowsuit B.jacket C.spacesuit D.coat

11.A.hurried B.blew C.climbed D.slipped

12.A.relieved B.surprised C.confused D.worried

13.A.offered B.refused C.hesitated D.tended

14.A.finished B.paid C.spent D.took

15.A.Except B.Without C.besides D.With

16.A.mystery B.miracle C.routine D.sight

17.A.need B.favour C.pursuit D.search

18.A.save B.deserve C.decide D.feel

19.A.bottom B.cliff C.edge D.summit

20.A.way B.doubt C.trouble D.sign