In the summer of 1869, John Wesley Powell set out with

In the summer of 1869, John Wesley Powell set out with ten companions and four boats A) ____________________ . Powell and his men planned to travel hundreds of miles through unknown parts of the western United States. Powell was a naturalist, explorer, and former army officer. Although his right arm had been amputated above the elbow B)______________ , he never turned away from danger. In August, after travelling through many canyons, the group reached the Grand Canyon. It often rained in torrents and cloudbursts. At midday the sun poured down C) __________________ . More than half the party was without hats and not one of them had an entire suit of clothes. They sat up all night on the rocks, shivering, and were more exhausted by the nights discomfort than by the days heat and toil. They guarded their precious flour supply D)_________________ , keeping it always in watertight compartments and dividing it equally among the four boats so that if one of the boats cracked up only a fourth of it would be lost. Mile after mile, day after day, the vast gorge of the Colorado twisted on through the earth, E)_____________________ . They had seen a few ancient ruins, but no sign that any living Indians ever came down to the river. Suddenly, with their flour almost gone, they saw a sight F)___________________ . On the bank they found a garden planted with corn and squash.
1 . as if it would fry them down
2 .as if its waters would roar for eternity
3. they мейд about twenty miles a day
4. on one of the greatest adventures of all time
5. they could scarcely believe
6. as if it had been sacks of gold
7. as a result of a war injury