The Grand Canyon (美国大峡谷) is an unfolding myst...

The Grand Canyon (美国大峡谷) is an unfolding mystery. No photograph, however stunning, can do justice to the Grand Canyon. No account, however expressive, can describe it in sufficient detail. To appreciate its marvel, you must see it for yourself. To get you started on your journey, here are several things you’ll want to know before you go.

Crowds

About 6 million people visit the Grand Canyon each year. Fortunately, the park is spread over about 2,000 square miles, so there’s plenty of chance for peace and privacy. There are several ways to avoid the crowds. First, visit the park in spring, fall or winter. Second, avoid the busy South Rim in favor of the more peaceful North Rim. Remember, about 12 people die each year in the Grand Canyon. Causes of death include drowning, falling, overheating and “killfies” — selfie-related deaths.

Internet and cellphone

There is spotty internet and cellphone coverage in the North Rim and South Rim visitor centers and in some of the larger hotels, including El Tovar and Grand Canyon Lodge. But if you venture inside the canyon and wander in places such as Tuweep Campground, assume you’ll be isolated. Always inform a friend or family member about where you’re going and for how long.

Railway

Since the late 1800s, the Grand Canyon railway has carried passengers from Williams, Arizona to the South Rim’s train station. It’s a pleasant ride through Ponderosa pine forests and wide-open grasslands. You won’t see the canyon from the train.

Skywalk

In 2007 the Hualapai tribe (部落) approved the construction of Skywalk, a bridge with a glass walkway sticking out 70 feet into the canyon, at Eagle Point in Grand Canyon West. Tickets start at $69 per person, which includes shuttle bus service and access to Guano Point, Eagle Point and Hualapai Ranch viewpoints.

1.According to the passage, when is the busiest season for the Grand Canyon?

A.Spring. B.Summer.

C.Autumn. D.Winter.

2.Cellphone signals can be picked up in the following places EXCEPT ________

A.Visitor centers. B.El Tover.

C.Grand Canyon Lodge. D.Tuweep Campground.

3.How can you enjoy the view of the Grand Canyon to the fullest?

A.By visiting South Rim when it is hot and sunny.

B.By posting selfies on social media websites while visiting.

C.By taking the pleasant train ride across the canyon.

D.By walking on a glass walkway at Eagle Point.

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How the Grand Canyon (大峡谷) was created remains one of the geology’s greatest mysteries. Some evidence suggests that the process was a gradual one in which the Colorado River (which runs through the canyon) slowly cut deeper and deeper into the ground over millions of years. But volcanic rock samples taken from the canyon now suggest that the canyon was down-cut instead.

Down-cutting is when a flood of water rushes over a landscape (地形) with enough force to cut deeply into the ground and leaves behind a canyon. Such a flood is usually released when a natural or man-made dam (堤坝) bursts.

Robert Webb, a research geologist, says natural dams seem to have formed and broken across the Colorado River several times during the last million years. The dams were built when lava(熔岩) from the eruptions of nearby volcanoes flowed into the river. The lava hardened into hard rocks and blocked the river, causing it to back up and form a lake. Each time the lake grew so huge that it broke the rock dam, releasing a flash flood that furthered the down-cutting process and deepened the canyon.

Down-cutting is not just an earthly event. Satellite photos sent back from Mars suggest that the process has happened there, too, say many other researchers.

The photos, taken by the Mars Global Surveyor, indicate that an enormous lake existed on Mars 3.5 billion years ago. The lake spilled into a large nearby hole. One edge of the hole broke, releasing a flash flood that quickly carved out a grand canyon.

The existence of down-cutting on Mars is just one more piece of evidence that the cold, dry planet was once warm and wet.

1.In the past, deep canyons were believed to have formed _______.

A. as a result of a sudden break of volcanoes　　

B. due to river flows over millions of years

C. owing to the burst of artificial dams

D. thanks to our ancestors’ creative work

2.According to the passage, which of the following statements is TURE?

A. Several volcanoes broke out on Mars directly creating grand canyons.

B. Several great lakes existed on the upper parts of the Colorado River.

C. People built high dams on the upper parts of the Colorado River.

D. The Colorado River crossed the Grand Canyon to form down-cutting.

3.From the last three paragraphs we learn that _______.

A. there are great lakes on Mars

B. there are active volcanoes on Mars

C. there might be cities on Mars

D. there might be life on Mars

4.The passage can be titled as _______.

A. Lakes on Earth and Mars

B. The Cause of Lake Formation

C. The Force of Dam Breaking

D. Canyons—Results of Flood Cutting

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The Grand Canyon(大峡谷)Helicopter Tour

You'11 discover the natural beauty of the Grand Canyon as your helicopter flies to the west edge，passing over Lake Las Vegas，Lake Mead and the Hoover Dam．During the flight，you can listen to a recorded introduction to the Grand Canyon and its surroundings via headphones．At noon，you’11 land for an unforgettable champagne picnic，3，200 feet below the edge．While you share a bottle of champagne，your pilot and guide will be happy to answer any questions you may have．Your flight ends with a low-level pass over the famous Las Vegas Strip．On landing，a comfortable car is waiting to bring you back to your hotel．

Each helicopter carries a maximum of 6 people including your pilot．For a roomier experience，upgrade your flight to an EC-130 helicopter which provides larger leg room and can accommodate more weight per seat．See Additional Info for details on weight restrictions．

Pricing Information

●Services included：45-minute(approx)flight each way，hotel pickup and drop-off by　　 1imousine，1unch．

●Our price is constantly updated．Click to check pricing & availability on your preferred　　 travel date．

Additional Information

●The maximum weight per passenger to ride in an A-Star helicopter is 2751bs．If passengers weigh in between 2751bs and 3001bs，you will be required to upgrade to the　　 EC-130．

●Pickup is available from selected Las Vegas hotels．You must contact the local travel　　 agency to fix your pickup time．

●All flight times are approximate and might be influenced by weather conditions．

Traveler Review

This is an absolute must do．The view of the Grand Canyon at his height was absolutely amazing! Our pilot was funny，knowledgeable and a great guide．All the staff from booking to check-in and helicopter departure were fantastic．I would recommend this tour to everyone．

1.Where will you have your lunch during the tour?

A. In the hotel．　　 B. On the helicopter．

C. In the Canyon．　　 D. On the Las Vegas Strip．

2.In what condition will you be advised to take an EC-130 flight?

A. You weigh less than 2751bs．

B. You travel with over 6 people．

C. You want to spend less money．

D. You want to travel more comfortably．

3.What should you do to be picked up from the hotel?

A. Turn to your guide．　　 B. Call the travel agency．

C. Book in advance．　　 D. Pay an extra charge．

4.What’s the purpose of the last part of the text?

A. To praise the pilot and staff．

B. To describe the view of the tour．

C. To encourage potential consumers．

D. To introduce the writer of the review．

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Experience the newly opened Grand Canyon(大峡谷) West Skywalk in Colorado. Departing from Grand Canyon South Rim by Airplane to Grand Canyon's West Rim, you will land and take a ground tour to the Skywalk! Walk on air for 70' feet over the edge of Grand Canyon West.

This Skywalk has been open since March 28, 2007. Daily visitorship to the Skywalk has been over 4,000 people. Please be patient to enjoy your moment on the Skywalk.

After you have experienced the one and only Grand Canyon Skywalk Glass Bridge, you will return to the Grand Canyon West Airport and take your Airplane for a flight back to the South Rim of the Grand Canyon. This is a tour never to be forgotten as you will have walked on air over the Grand Canyon.

Tour Itinerary (行程)

1.This advertisement is for ___________.

A．Grant Canyon West                           B．Grant Canyon South

C．Grant Canyon                                    D．the Skywalk

2.The package fee does NOT cover the cost of __________.

3.the Grand Canyon Skywalk Bridge is made of glass because ________.

A．it looks stronger                        B．it is cheaper to build

C．it looks more beautiful                   D．it gives you a better view

4.According to the Tour Itinerary, the route is __________.

A．South Rim→Guano Point →West Airport→Eagle Point → West Airport →South Rim

B．South Rim→West Airport →Guano Point→Eagle Point→West Airport →South Rim

C．South Rim→West Airport →Eagle Point→Guano Point→West Airport →South Rim

D．South Rim →West Airport→Eagle Point→West Airport→Guano Point →South Rim

高三英语阅读理解简单题查看答案及解析

Experience the newly opened Grand Canyon (大峡谷) West Skywalk in Colorado. Departing from Grand Canyon's South Rim by Airplane to Grand Canyon's West Rim, you will land and take a ground tour to the Skywalk! Walk on air for 70 feet over the edge of Grand Canyon West.

This Skywalk has been open since March 28, 2007. Daily visitorship to the Skywalk has been over 4,000 people. Please be patient to enjoy your moment on the Skywalk.

After you have experienced the one and only Grand Canyon Skywalk Glass Bridge, you will return to the Grand Canyon West Airport and take your Airplane for a flight back to the South Rim of the Canyon. This is a tour never to be forgotten as you will have walked on air over the Grand Canyon.

Tour Itinerary (行程)

1.This advertisement is for ____.

A. Grand Canyon West　　　　　 B. the Skywalk

C. Grand Canyon         　　 D. Grand Canyon South

2.The package fee does NOT cover the cost of ____.

3.The Grand Canyon Skywalk Bridge is made of glass because ____.

A. it looks stranger

B. it is cheaper to build

C. it gives you a better view

D. it looks more beautiful

4.According to the Tour Itinerary, the route is ____.

A. South Rim→West Airport→Guano Point→Eagle Point→West Airport→South Rim

B. South Rim→Guano Point→West Airport→Eagle Point→West Airport→South Rim　

C. South Rim→West Airport→Eagle Point→Guano Point→West Airport→South Rim

D. South Rim→West Airport→Eagle Point→West Airport→Guano Point→South Rim

高三英语阅读理解中等难度题查看答案及解析

Experience the newly opened Grand Canyon (大峡谷) West Skywalk in Colorado. Departing from Grand Canyon’s South Rim by Airplane to Grand Canyon’s West Rim, you will land and take a ground tour to the Skywalk! Walk on air for 70 feet over the edge of Grand Canyon West.

This Skywalk has been open since March 28, 2007. Daily visitorship to the Skywalk has been over 4,000 people. Please be patient to enjoy your moment on the Skywalk.

After you have experienced the one and only Grand Canyon Skywalk Glass Bridge, you will return to the Grand Canyon West Airport and take your Airplane for a flight back to the South Rim of the Canyon. This is a tour never to be forgotten as you will have walked on air over the Grand Canyon.

Tour Itinerary (行程)

1.This advertisement is for __________.

A. Grand Canyon West                 B. the Skywalk

C. Grand Canyon                      D. Grand Canyon South

2.The package fee does NOT cover the cost of _______.

3.The Grand Canyon Skywalk Bridge is made of glass because ______.

A. it looks stranger                 B. it is cheaper to build

C. it looks more beautiful           D. it gives you a better view

4.According to the Tour Itinerary, the route is ______.

A. South Rim →Guano Point →West Airport →Eagle Point →West Airport →South Rim

B. South Rim →West Airport →Guano Point →Eagle Point →West Airport →South Rim

C. South Rim →West Airport →Eagle Point →Guano Point →West Airport →South Rim

D. South Rim →West Airport →Eagle Point →West Airport →Guano Point →South Rim

高三英语阅读理解中等难度题查看答案及解析

Experience the newly opened Grand Canyon(大峡谷)West Skywalk in Colorado.Departing from Grand Canyon’s South Rim by Airplane to Grand Canyon’s West Rim,you will land and take a ground tour to the Skywalk!Walk on air for 70 feet over the edge of Grand Canyon West.

This Skywalk has been open since March 28,2007.Daily visitorship to the Skywalk has been over 4000 people.Please be patient to enjoy your moment on the Skywalk.

After you have experienced the one and only Grand Canyon Skywalk Glass Bridge,you will return to the Grand Canyon West Airport and take your Airplane for a flight back to the South Rim of the Canyon.This is a tour never to be forgotten as you will have walked on air over the Grand Canyon.

Tour Itinerary(行程)

1.This advertisement is for_______.

A.Grand Canyon West                     B.Grand Canyon South

C.Grand Canyon                          D.the Skywalk

2.The package fee does NOT cover the cost of_______.

3.The Grand Canyon Skywalk Bridge is made of glass because_______.

A.it looks stronger                         B.it is cheaper to build

C.it looks more beautiful                       D.it gives you a better view

4.According to the Tour Itinerary,the route is_______.

A.South Rim→Guano Point→West Airport→Eagle Point→West Airport→South Rim

B.South Rim→West Airport→Guano Point→Eagle Point→West Airport→South Rim

C.South Rim→West Airport→Eagle Point→Guano Point→West Airport→South Rim

South Rim→West Airport→Eagle Point→West Airport→Guano Point→South Rim

高三英语阅读理解中等难度题查看答案及解析

Experience the newly opened Grand Canyon（大峡谷）West Skywalk in Colorado．Departing from Grand Canyon's South Rim by Airplane to Grand Canyon's West Rim, you will land and take a ground tour to the Skywalk! Walk on air for 70 feet over the edge of Grand Canyon West．

This Skywalk has been open since March 28, 2007．Daily visitorship to the Skywalk has been over 4,000 people．Please be patient to enjoy your moment on the Skywalk．

After you have experienced the one and only Grand Canyon Skywalk Glass Bridge, you will return to the Grand Canyon West Airport and take your Airplane for a flight back to the South Rim of the Canyon．This is a tour never to be forgotten as you will have walked on air over the Grand Canyon．

Tour Itinerary（行程）

1.This advertisement is for ____．

A． Grand Canyon West

B． the Skywalk

C． Grand Canyon

D． Grand Canyon South

2.The package fee does NOT cover the cost of ____．

A．

B．

C．

D．

3.The Grand Canyon Skywalk Bridge is made of glass because ____．

A． it looks stranger

B． it is cheaper to build

C． it gives you a better view

D． it looks more beautiful

4.According to the Tour Itinerary, the route is ____．

A． South Rim→West Airport→Guano Point→Eagle Point→West Airport→South Rim

B． South Rim→Guano Point→West Airport→Eagle Point→West Airport→South Rim

C． South Rim→West Airport→Eagle Point→Guano Point→West Airport→South Rim

D． South Rim→West Airport→Eagle Point→West Airport→Guano Point→South Rim

高三英语阅读理解中等难度题查看答案及解析

Fifteen-year-old David had spent six months planning a hike to the bottom of the Grand Canyon (大峡谷)with his classmates. No one could have known it would end in tragedy.

When the group arrived at the starting point for the hike, they found out there was a problem with their permit. To solve it, the five boys and three leaders walked back up to the ranger station (护林站）一only to find out it was closed.

When the boys got moving, they'd already drunk most of their water. In the burning sun, temperatures reached a 115°F. Even the leaders were having trouble walking on. But the group finally made it down to the bottom of the Grand Canyon. Heat evil was occurring. "My son made it about 100 yards from the river and then dropped," says his father, Robin. Two boys of them raced to the river to get him water.

When the boys arrived, the last rafting （筏运) trip of the day was passing by. As luck would have it, among the waiting riders were a few doctors. They rushed to give David first aid before going for help. But it was too late. David passed away from the heat evil.

It's been 21 years since the boy's death, and hiking still holds a strong memory of David for his family. The summer before the tragedy, his father had a long time to devote to his family. David and his dad spent the summer hiking all over the High Uintas, where snow-topped peaks reflect tower over glacier(冰川) formed lakes.

The photo Robin took of Christmas Meadows there won the Reader's Digest "From Sea to Shining Sea" photo contest and appeared on the July 2017 magazine cover. To Robin, it isn't just a fascinating landscape--it's also a powerful reminder of his late son.

1.How many people does David's group consist of?.

A. 11　　 B. 10

C. 9 .　　 D. 8

2.What does the sentence "Even the leaders were having trouble walking on." in Paragraph 3 suggest?

A. The leaders were taller and older.

B. The leaders covered shorter distance.

C. The leaders were healthier and stronger.

D. The trouble the group faced was so great as to be beyond expectation.

3.Where did Robin take the photo which won the Reader's Digest "From Sea to Shining Sea" photo contest？

A. On the High Uintas.　　 B. Where David had been to.

C. In the Grand Canyon.　　 D. In the Christmas Meadows.

4.What does the passage intend to tell us mainly?

A. Take enough water with you when hiking.

B. Don't hike to the Grand Canyon in too hot weather.

C. Robin still misses his late son, David.

D. Doctors can't necessarily succeed in saving every patient.

高三英语阅读理解中等难度题查看答案及解析

The Grand Canyon (峡谷) in Arizona extends four hundred fifty kilometers. The canyons look as if they formed as the earth split apart. They were actually cut by rivers.

Looking at the Grand Canyon is like looking back in time. Forty million years ago, the Colorado River began cutting through the area. At the same time, the surrounding land was pushed up by forces deep within the Earth. Rain, snow, ice, wind, and plant roots rubbed away at the top of the new canyon. Below, the flowing river continued to uncover more and more levels of ancient rock. Their appearance changes endlessly -- with the light, the time of year, and the weather.

The Grand Canyon has several weather environments. The top is often much different from the bottom. On some winter days, for example, you may find cold winds and snow at the top. But at the bottom, you may find warm winds and flowers.

The Grand Canyon is known as one of the seven wonders of the natural world. About five million people visit the canyon each year. Most visitors walk along paths part way down into the canyon. Some visitors ride mules to the bottom and back.

There are several other ways to visit the Grand Canyon. Hundreds of thousands of people see the canyon by air each year. They pay a helicopter or airplane pilot to fly them above and around the canyon.

About twenty thousand people a year see the Grand Canyon from the Colorado River itself. They ride boats over the rapid, rocky water. These trips last from one week to three weeks.

Visitors can see the Grand Canyon in still another way. A huge glass walkway, called the Skywalk, extends from the edge and is hanging above the bottom of the canyon.

Some people say the Skywalk is an engineering wonder. However, other people have criticized the Skywalk and future development. They say it harms a national treasure and reduces the enjoyment of nature in the Grand Canyon.

1. We can learn from the first paragraph ____________.

A. the Grand Canyon is the most beautiful place in America

B. the Grand Canyon is four hundred fifty kilometers long

C. the Grand Canyon used to be a dried river

D. the Grand Canyon used to be a deep opening in the earth

2. According to the passage, people can visit the Grand Canyon in ______ ways.

A. 3                B. 4            C. 5           D. 6

3. We can learn that the author of the passage hold a(n) ______ attitude towards the Skywalk.

A. positive       B. negative       C. objective      D. critical

4. All the following are true about the Grand Canyon EXCEPT ____________.

A. The top of the Grand Canyon is always cold.

B. The Grand Canyon displays different colors in different times.

C. The Grand Canyon is as old as forty million years old.

D. Every year more people see the Grand Canyon by air than by boat.

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