E n g L i s h jenni Currie Santamaria

Answer Key
1. NATURE IN THE UNITED STATES
yellowstone park rules
I-B 1. e 2. g 3. f 4. c 5. a 6. b 7. d
I-C 10
III 1. 
F 2. 
T 3. 
F 4. 
T 5. 
T 6. 
T 7. 
F 8. 
T 9. 
T 10. 
F
IV-A 1. i 2. a 3. c 4. d 5. h 6. b 7. f 8. j 9. g 10. e
IV-B 1. defacing 2. obtain 3. restrictions 4. valid 5. Feel free 6. designated
7. display 8. thoroughly 9. Keep in mind 10. unattended
IV-C Adjectives: wearable, archeological, slow-moving, unwelcome, thermal. 
Nouns: routes, boardwalks, trails,
lotation device, pullouts, ire grates, chain saws
IV-D 1. unwelcome 2. wearable 3. archeological 4. slow-moving
5. thermal 6. trails 7. routes 8. chain saw 9. boardwalks
10. lotation device 11. pullout 12. ire grate
V-B 1. established, Active 2. was established, Passive 3. can be found, Passive
4. can ind, Active 5. may see, Active 6. may be seen, Passive
7. must not take, Active 8. must not be taken, Passive
VI 1. The following activities are completely prohibited: disturbing park features 
(possessing, collecting, removing, defacing, or destroying any natural or archeological 
objects or plants, animals, or minerals); feeding wildlife; using chain saws; leaving 
food unattended; littering; leaving a pet unattended or tied to an object.
2. The following activities are restricted: bicycling, boating, climbing, driving, 
lighting ires, bringing pets.
grand canyon national park
I-B 1. d 2. f 3. e 4. c 5. a 6. g 7. b
I-C 8,000
III 1. 5 million 2. spring, summer, and fall 3. winter weather 4. South Rim
5. mid-May through mid-October 6. ive hours 7. Walking at such elevation 
can be strenuous.
IV 1a. crowded 1b. crowd 2a. reserve 2b. reservation 2c. reserved
3a. congested 3b. congestion 4a. consider 4b. considerate 4c. consideration
5a. access 5b. accessible 5c. access 6a. identify 6b. identiiable
6c. identiication 7a. dificulty 7b. dificult
V 1. less 2. fewer 3. fewer 4. less 5. fewer
VI 1. The Grand Canyon has an average of ive million visitors annually and is 
crowded most of the year
2. The North Rim is less crowded, but it has fewer facilities, is less accessible, and 
is only open mid-May through mid-October

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Answer Key
saving trees
I-B 1. f 2. e 3. a 4. b 5. c 6. d
I-C More than three thousand years old
III 1. a 2. b 3. b 4. b 5. b
IV-B 1. blizzard 2. drought 3. lood 4. disease 5. avalanche 6. mudslide
V-B 1. It takes ive hours to drive from Las Vegas to the Grand Canyon. 2. It is 
a 25-mile hike from the South Rim to the North Rim. 3. It takes 17 days to raft 
through the Grand Canyon on the Colorado River. 4. It took nine years for 
Muir and others to stop the logging in Sequoia National Park. 5. It took 
Reinhold Metzger six days to backpack the 211-mile John Muir trail.
VI 1. loggers 2. To compare and connect humans with the Sequoias
an outdoor survival school
I-B 1. c 2. a 3. d 4. f 5. b 6. e
I-C 1. So hungry he could eat a squirrel 2. 36 degrees
II 1. 
T 2. 
F 3. 
F 4. 
T 5. 
T 6. 
T 7. 
T 8. 
T 9. 
F 10. 
T
III-A 1. prickly 2. rusty 3. sooty 4. ravenous 5. laborious 6. bloodshot
7. soaring
III-B 1. feed 2. billowed 3. roast 4. enclosed 5. shell 6. stuck 7. froze
8. boiled 9. collected 
IV-B 1. Despite the rain, we went for a hike. 2. Despite the dificulty, we 
inished the project. Despite the congestion, the city was beautiful.
V 1. Collecting onions and acorns 2. They fed the ire.
excerpt from 
Hatchet
 by gary paulson
I-B 1. e 2. f 3. b 4. d 5. a 6. c
I-C hit him, threw him into the water, and drove him down into the bottom
III 1. b 2. b 3. a 4. b 5. a 6. a
IV-A tiger: fur, paws, claws, tail, whiskers; salmon: gills, scales, in; hawk: claws, 
beak, feather; bison: horns, fur, tail, hooves
IV-B 1. tiger 2. hawk 3. bison 4. salmon
V 1. darker and darker 2. hungrier and hungrier 3. easier and easier
4. more and more frustrated 5. thinner and thinner
VI 1. Something caught his ear or his nose. 2. The moose drove him into the 
muck then left.
2. THE 20TH CENTURY