题目内容：

    Colleen and her husband were part of a group walking the Overland Track. It was the fifth day of a 6-day walk. The guide, who was waiting for them at the nearest camp, had ______ them about the slippery and potentially dangerous conditions. Colleen, an experienced adventurer from Sydney, was a naturally ______ walker. She walked in front of her husband and carefully checked the safety of the track when they were going down a steep slope (陡坡). Suddenly she heard a cracking sound from ______.

“When I realized what was happening, I was ______ to a deep ditch (沟壑), my pack on my back.” Colleen’s fall was only ______ by the presence of a branch that stretched across the ditch and ______  her from a fall that could otherwise have been deadly.

Colleen hit her head badly and went into ______. She soon woke up and turned around to see her husband sitting stunned on the side of the track. He had ______ fallen from the top. He had first slipped above Colleen, and his full weight, with his pack, ______ down on top of her. He was uninjured, and Colleen was suspended on the branch. He ______ out to grab Colleen’s arm. Colleen felt so ______, the worst physical suffering she had ever felt in her life. She knew ______ that her arm was broken.

Her husband took her pack along with his own and together they ______ for the final three kilometers to the camp. Once they reached the camp, the guide gave her first aid and called for the rescue helicopter immediately.

Colleen was ______ to the nearest hospital by helicopter. She was ______ in the hospital and was told that her head and neck were okay, but her arm had been broken in four places.

Later, Colleen ______ with emotion. “After this personal ______ of near-death and being saved, I realized that in some situations there’s absolutely no ______ to get to hospital, and the rescue helicopter was the only way. At that moment, the most ______ noise was hearing the helicopter come. The helicopter rescue workers were so generous, so highly skilled as well. When they arrived with the policemen, I was never more ______ to see anyone in my whole life.”

1.A.interviewed B.warned C.asked D.taught

2.A.curious B.independent C.cautious D.patient

3.A.opposite B.ahead C.faraway D.above

4.A.jumping B.heading C.turning D.walking

5.A.broken B.caused C.followed D.protected

6.A.hid B.released C.kept D.pulled

7.A.shock B.action C.silence D.panic

8.A.consequently B.immediately C.accidentally D.eventually

9.A.lay B.settled C.bent D.crashed

10.A.looked B.ran C.spread D.reached

11.A.fearful B.painful C.regretful D.pitiful

12.A.straight away B.after all C.at times D.without hesitation

13.A.prepared B.struggled C.searched D.competed

14.A.forced B.guided C.rushed D.invited

15.A.consulted B.cured C.assessed D.examined

16.A.recalled B.declared C.advised D.responded

17.A.experience B.training C.evaluation D.feeling

18.A.possibility B.privilege C.alternative D.necessity

19.A.familiar B.unexpected C.deafening D.wonderful

20.A.honored B.grateful C.motivated D.confident