题目内容：

阅读下面的短文，掌握其大意，然后从短文后各题所给的A、B、C、D四个选项中，选择最佳选项。

It was the middle of July. I had spent two days exploring a bat cave in thedesert in southern New Mexico. The cave was part of an ancient flow of lava（熔岩流），now hardened into rock. I had left the cave and was driving my pickup truckon a rough（高低不平的）track across the________surface of the lava flow.

Suddenly, the truck came to a stop, caught on a black lava rock.

A quick check of the underside ______the worst: the truck's axle（车轴）was bent，nearly broken intwo. I couldn't ______ help in such faraway country. I put the food and cans of water into my backpackand set off on foot, going north, the direction of the main highway．I was low on water. Too little food didnot matter much, but hiking across the desert in July without water could be dangerous. As I set out,unreasonable ______ came over my mind. I was afraid of everything around me. Each creature mademy heart jump. In my mind, every movement was a scary animal about to strike and kill me.

I walked for hours and cried until I________that nobody was around to hear me. Complaining wasuseless. A change came over me. I began to feel less afraid. Fear was replaced by curiosity. I went on,and slowly but surely began to see the desert world differently, through_______ eyes, not frightened ones.That night I lay on the warm sand, using my backpack as a pillow. The sky went dark. The starsbegan to shine in the hugeness of the heavens. With a smile I thought how little there was to fear, afterall. By noon the following day I ______north. I began to think how lucky I was to see the wild desertworld. A wrecked truck and a forced hike across the desert gave me an/a ______ to see what few othersever saw

Late in the day, I came to a farmhouse. I drank all the lemonade that the farmer and his wife had intheir refrigerator. "I liked it out there," I told them when we got to talking. "I just wish I had been lessfrightened. I would have noticed more that way "I know what you mean," the man said thoughtfully."It's a rare sight, that desert wilderness, a rare sight’

1.A. clean B. flat C. hard D. smooth

2.A. proved B. ordered C. thought D. imagined

3.A. choose B. explain C. suggest D. expect

4.A. pride B. fears C. pains D. surprise

5.A. wondered B. remembered C. described D. realized

6.A. tired B. nervous C. interested D. satisfied

7.A. continued B. searched C. improved D. increased

8.A. change B. opportunity C. attention D. responsibility