1 . 听下面一段独白，回答以下小题。
1. What is wrong with the lake?

A．Its color is strange.

B．There are not enough fish there.

C．Chemical pollution happened there.

2. What probably caused the trouble?

A．People’s action.

B．Fish.

C．The weather.

3. What will listeners probably hear next?

A．Sports news.

B．Updated information on the lake.

C．The weather report.

4. What does the report mainly talk about?

A．Warnings to children.

B．The color change of the lake.

C．The pollution of the lake.

2 . Colorful Natural Wonders on Earth

The world can be kind of a boring place without the colorful natural wonders. So that’s what I’ve decided to treat you to!

Rio Tinto, Spain

Rising in the Sierra de Huelva mountains of southwestern Spain, this 62-mile river gets its stunning orange and red colors from copper, iron, and other heavy metals. The best way to enjoy the beauty is by visiting the small mining town of Nerva. Note that only about half the length of the river features these colors.

Lake Louise, Alberta, Canada

Known by Stoney Nakota First Nations folks as Ho-run-num-nay, this glacial lake located in Banff National Park gets its turquoise color from finely grained rock particles contained within the ice as it melts in the lake. If you’re a big fan of the movie Thelma & Louise, you’ll be happy to know that there also happens to be a Lake Thelma.

The Lavender Fields of Provence, France

Provence, a geographical region of southeastern France is famous in the summers for its lush lavender fields. To see them with your own eyes, mosey on up to the Luberon and Verdon plateau regions north of Aix-en-Provence and Marseille, or head east past Avignon. But the window is rather brief; they start to blossom around the beginning of June and then by mid-July they’re done-zo.

Honghe Hani Rice Terraces, Yunnan, China

Huge rice stan? Anyway, Yunnan, China is calling your name. With a history going back more than 1,200 years, this series of rice-growing terraces — covering territory more than one million acres — are located in the western part of the country. It was declared a UNESCO World Heritage Site in 2013. It sure took them long enough!

1. Where can you enjoy a multicolored river?

A．Spain.

B．Canada.

C．France.

D．China.

2. How long is the blossom window of the lavender?

A．1 month.

B．1.5 months.

C．2 months.

D．2.5 months.

3. What’s the text?

A．A journal entry.

B．A travel diary.

C．An introduction.

D．An advertisement.

3 . Here are some fantastic parks in San Antonio.

Brackenridge Park

The park was first established in 1899 and has been popular with both locals and visitors ever since. Towering trees and peaceful riverbanks will greet guests along the park’s paths, and the facilities include playgrounds, museums, a miniature train, a Japanese tea garden, and one of the oldest golf courses in the city.

Friedrich Wilderness Park

In the park, you’ll find about 10 miles of paved(铺过的)and unpaved trails(路线), with a little something for everyone. From rocky climbs to deep canyons, and enchanting forests to open views, there’s no shortage of natural beauty. The area is nationally famous for birdwatching.

San Antonio Missions National Historical Park

The park is the state’s only one on the list of UNESCO World Heritage Site. It covers quite a large area, so it’s best to make it a full-day or at least a half-day trip so you can be sure to cover everything. While the Alamo is a separate attraction, you will get to enjoy the architectural wonders of Mission Concepcion, Mission San Jose, Mission San Juan, and Mission Espada. They’re all connected by a hike and bike trail, with plenty of stops along the way to picnic, climb trees, and refill water. Admission is free!

Eisenhower Park

Just a 20-to 30-minute drive from the city center, the park puts the best landscapes in the Texas Hill Country on full display, holding 6 miles of hiking trails, both paved and unpaved. Explore dried creek beds, look out over plunging canyons, and enjoy full views of San Antonio down below. You can also find playgrounds for the little ones, picnic tables, and barbecue facilities.

1. What is Friedrich Wilderness Park well-known for?

A．Birdwatching.	B．Ancient buildings.
C．A Japanese tea garden.	D．Unpaved hiking paths.

2. Which park is a UNESCO World Heritage Site?

A．Brackenridge Park.

B．Friedrich Wilderness Park.

C．San Antonio Missions National Historical Park.

D．Eisenhower Park.

3. What are some of the features of Eisenhower Park?

A．Golf courses and bicycle trails.

B．Museums and no entrance fee.

C．Birdwatching and playgrounds.

D．Hiking trails and barbecue facilities.

4 . 阅读下面短文，在空白处填入适当的内容或括号内单词的正确形式。

2017 witnessed the 45th anniversary of the     1    (establish) of Sino-German diplomatic relations. Many     2    (activity) with Chinese culture as the theme were held in Berlin, the capital of Germany. When     3    (walk) in Berlin, people can really feel that this city deserves its title as the largest city in Germany. The history of Berlin could     4    (trace) back to over 800 years ago. In 18th century, Berlin became the capital of the Kingdom of Prussia. In 1871, after Otto Von Bismarck, Minister President of Prussia, unified the German States. In modern times, Berlin became the city with the greatest vitality in Germany because     5     its emerging buildings and dynamic culture.

In the very center is the famous BrandenBurg Gate, the construction of     6     started in 1789 and was completed in 1791. This BrandenBurg Gate has became a symbol of Germany. If people take     7     look at the modern Germany history, they can find that this gate was     8    (repeat) involved at critical moments.

After World WarII, the Berlin Wall stood in front of the Brandenburg Gate, and remained a symbol of separation for as     9    (long) as 28 years. After the German reunification, this area around the gate was finally restored according to     10    (it) original design.

5 . 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

These gingko (银杏树) trees are really old, older even than the city of Xuzhou in northwest Jiangsu Province. Xuzhou, the     1     (old) city in the Province, dating back 6,000 years as a civilization and over 2,600 years as a city, makes it a fitting home for forests of gingko.

The home, or specifically Pizhou, quite some way to the east of Xuzhou, is situated at the “tail” of     2     horse-shaped Luoma Lake. For those     3     want to make the trip, the reward is a gingko forest park     4     (cover) an area of more than 2, 000 square kilometres. If the gingko is a     5     (protect) species on an international level, this place is home to a large variety of gingko trees.

The so-called “Pizhou Gingko Time Tunnel” shall     6     (sure) be the destination for many travelers coming to Xuzhou and satisfy their     7     (curious) when late autumn approaches each year. Along this 3-kilometre-long village road, the gingko tree branches weave (编织) a golden sky while layers (层) of fallen     8     (leaf) make for a golden carpet.

In Tongshan New Area, gingko trees     9     (plant) all around Haihe Road, Songshan Road and Changjiang Road among many others. Their long history contrasts sharply     10     the cutting-edge technologies being developed nearby.

6 . The World’s Most Amazing Caves

Humans have been drawn to caves for thousands of years. Here are four of the world’s biggest caves.

Son Doong Cave, Vietnam

Son Doong Cave in the remote(偏远的)forests of Vietnam holds the title of the largest cave in the world. Son Doong is a spreading network of tunnels and caves, the largest of which could contain an entire New York City block with 40-story buildings. Parts of the cave’s top have fallen down，creating vast skylights that allow life to grow to a height of hundreds of feet beneath the forest floor.

Mammoth Cave, Kentucky, the United States

Mammoth Cave in Kentucky is the longest cave system in the world, with 426 miles explored—and scientists guess another 600 miles have yet to be discovered based on measurements of air movement within the caves. Mammoth Cave has drawn visitors since the 1800s, and 10 miles of underground passages are accessible to tourists today.

Sac Actun. Mexico

The longest underwater cave system in the world, Sac Actun winds(蜿蜒)more than 215 miles under Mexico’s Yucatan Peninsula. Adventurers can take a drop in the Sac Actun system through more than 248 cenotes(天然井)—the natural swimming pools that form when sinkholes connect the surface to the underwater caves.

Veryovkina Cave, Abkhazia, Georgia

Veryovkina Cave is the deepest cave in the world, spreading 1.4 miles beneath the surface. It takes professionals a week to make a round journey to Veryovkina Cave, They have to brave waterfalls, tight presses and sharp drops. But the payoff is excellent—Veryovkina

Cave’s end is a beautiful blue lake about 50 feet long and 25 feet wide surrounded by black black rocks.

1. What is special about Son Doong Cave?

A．It lies far away from the forests.	B．It has some tall plants growing.
C．It is the longest cave in Vietnam.	D．It is the highest cave in the world.

2. What do Mammoth Cave and Sac Actun have in common?

A．They end up with beautiful lakes.	B．They attract few adventurers.
C．They stay unexplored at present.	D．They have long cave systems.

3. How long may professionals spend passing through Veryovkina Cave?

A．Half a week.	B．Two weeks.
C．One week.	D．Over two weeks.

7 . 阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

In Sarek National Park, I wake up to the sound of the wind    1    (buffet) the cloth of my tent. Standing at the edge of the mountain, I find    2    (branch) of the Rapa River flowing through the valley below. Sarek’s mountains used to     3    (cover) by vast sheets of ice. Around 9,000 years ago, this ice melted, with about 100 glaciers     4     (leave) behind. Soon after, reindeer began to arrive. Following the reindeer     5     (be) the Sami people, who made this territory their home. In 1909,    6    (keep)the land’s natural state, the government made Sarek a national park.

For hundreds of years, the Sami lived     7     reindeer. With reindeer on the move, the Sami would pick up their tents and accompany them. Today, most Sami have houses in villages near Sarek and live     8    modern life. But every spring, a small number of Sami still follow their reindeer into the valleys of Sarek,    9     they live in tents and enjoy their traditions. Nothing could be     10     (good) than breathing the fresh air and enjoying this great adventure in such a beautiful and wild place.

8 . 阅读下面短文, 在空白处填入1个适当的单词或括号内单词的正确形式。

Grand Canal, also called Da Yunhe, is a series of waterways in eastern and northern China that connect Hangzhou in Zhejiang Province with Beijing. Some 1, 800 km in     1     (long), it is the world’s longest man-made waterway. Strictly     2     (speak), not all of it is a canal, though. It was built to enable successive Chinese regimes(政权)     3     (transport)grain from the agriculturally rich Yangtze River and Huai River valleys to feed the capital cities     4     large standing armies in northern China.

The oldest part of the canal lies     5     the Yangtze and the city of Huaiyin in Jiangsu Province, which was     6     (origin)on the Yellow River when that river followed a course much     7     (far) to the south. This section, traditionally known as the Shanyang Canal, in recent centuries     8     (call) the Southern Grand Canal. This ancient waterway was first constructed as early as the 4th century BCE.

It was rebuilt in 607 CE. and has been used ever since.

China’s first great canal system,     9     created a northeast-southwest link from the Yellow River to the Huai River, was built beginning in 605 during the Sui Dynasty(581-618). Known as the New Bian Canal, it     10     (remain)the chief waterway throughout the Tang Dynasty(618-907)and the Northern Song Dynasty(960- 1127).