[题目]Who are the speakers?A.Instructor and student.B.Family members.C.Salesman and customer. 题目和参考答案——青夏教育精英家教网—

题目内容

【题目】Who are the speakers?

A.Instructor and student.B.Family members.C.Salesman and customer.

【答案】B

【解析】

【原文】

W: Don’t be nervous. You are a good driver and you only need to prove that to the instructor. When you return home, we’ll have a lovely meal to celebrate.

M: And if I pass my test, will you and dad buy me a new car?

练习册系列答案

假设你是明启中学的学生张华，你们学校暑假里将有英国姐妹学校的交流生来访，你主动申请接待其中一位。学校目前推荐了四项活动：看电影、吃中餐、参加一项学生校外社团活动（自定）、参观一个上海的景点（自定）。请向负责老师写一份申请信。

内容包括：

1. 你的“活动计划”（从上述四个选项中任选两样）；

2. 你的理由。

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【题目】 If you’re looking forward to visiting a national park in the United States, here are some good options for you to choose from.

Acadia National Park—Maine

Lying on Mount Desert Island, a postcard-perfect island where Rockefellers and Astors summered, Acadia National Park is rich with rocky shorelines and has one of Maine’s most historic lighthouses. Hike to the top of 1,530-foot Cadillac Mountain to catch the sunrise, then go back to Bar Harbor, and treat yourself to a lobster roll at Stewman’s.

Where to Stay: Atlantic Oceanside Hotel, Bar Harbor Inn

Arches National Park—Utah

The red sandstone monoliths of Arches National Park in southeast Utah make for a giant playground for hikers, bikers, climbers, off-roaders, and other thrill seekers. However, climbing any named or unnamed arch in the park is banned by regulations. Throughout the park, there are 2,000 natural arches, including the famous Delicate Arch, which you might recognize from Utah’s license plate.

Where to Stay: Holiday Inn Express Hotel & Suites Moab, Fairfield Inn& Suites Moab

Yellowstone National Park—Wyoming

When you think of Yellowstone National Park, geysers will come to mind first and more specifically, Old Faithful, which does indeed live up to its name by erupting every 90 minutes or so. Another superstar of America’s oldest national park is the Grand Prismatic Spring, the park’s largest single hot spring, which also gains a reputation due to its striking coloration.

Where to Stay: Yellowstone Park Hotel, Explorer Cabins at Yellowstone

Shenandoah National Park —Virginia

Shenandoah’s famous 105-mile Skyline Drive is one of the prettiest drives in the Northeast.

This National Scenic Byway runs along the top of the Blue Ridge Mountains.

Where to Stay: Skyland, Hotel Laurance

【1】Who would most probably be drawn to Acadia National Park?

A.People interested in modern buildings.

B.People interested in camping in the desert.

C.People wanting to enjoy a good view of the seashore.

D.People wanting to climb a mountain of over 2,000 feet.

【2】What is Arches National Park suitable for?

A.Watching an east coast sunrise.B.Looking at beautifully man-made arches.

C.Climbing the well-known Delicate Arch.D.Having various outdoor thrilling activities.

【3】What do we know about the Grand Prismatic Spring?

A.It is famous for its eye-catching colors.

B.It can erupt for about 90 minutes each time.

C.It is the largest single hot spring in the world.

D.It is the most distinguished tourist spot in Wyoming.

【4】Where can someone enjoy beautiful sights along the drive?

A.In Utah.B.In Virginia.

C.In Maine.D.In Wyoming.

【5】What is the text meant to?

A.Encourage us to visit the United States.

B.Recommend some national parks in the US.

C.Introduce several hotels nearby national parks.

D.Make a comparison between some national parks.

【题目】What is the woman concerned about?

A.Losing the phone.

B.Getting the phone wet.

C.Making the phone too hot.

【题目】 In 1848 gold was found in California. Thousands of people rushed there to get some. Many people liked living there. But there wasn’t a whole lot between California (CA) and Missouri (MO), where the nearest trains ran. The train line to California wasn’t finished until 1869.

In I860 and 1861, the Pony Express was the fastest way to get news to and from the West. The trail that they rode was around 2000 miles long. It took most people weeks or months to ride that far. The Pony Express could make the trip in just ten days. Those speeds were unheard of at the time. So how did they do it? Well, they had a good system.

The Pony Express had 184 stations along the trail. The stations were around ten miles apart. This is about how far a horse could run at a gallop (疾驰) before tiring. The rider would switch to a new horse at each station. He would only take his mail pouch (邮袋) with him. Every 75-100 miles, the rider would get to a home station. At each home station, riders would rest. The mail never stopped moving, even while the horses and riders rested.

It was tough to ride for the Pony Express. Each rider had to weigh less than 125 pounds. Speed was the key. Most of the riders were teenage boys. They rode at a fast pace for up to 100 miles a day. If there were an emergency, one might have to ride 200 miles in a day.

The Pony Express filled an important role for a time, but it did not last. The Civil War started in April of 1861. On October 24th, 1861, the first telegraph line to California was finished. This linked them to the rest of the country. People could send messages in an instant. Two days later the Pony Express closed.

【1】Which happened first?

A.The Pony Express was started.B.The American Civil War broke out.

C.The train line to California was finished.D.Settlers rushed to California to find gold.

【2】How long did it take the Pony Express to send mail from CA to MO?

A.About 24 hours.B.About ten days.

C.About twenty days.D.About one month.

【3】What would a rider do at the home station?

A.Give his mail to a new rider.B.Rest a while and go on riding.

C.Collect new mail for customers.D.Feed the horse and check the mail.

【4】What is the author’s purpose in writing the text?

A.To prove communication industry develops rapidly.

B.To explain why horses were used to deliver mail.

C.To describe the I860 - 1861E Fastest Mail Service.

D.To tell the brave stories of the Pony Express.

【题目】 You are walking over the tan-colored（棕褐色的）sand of the empty desert when a rattlesnake appears out of the sand in front of you. Luckily it had warned you of its presence. Imagine if that same snake were moved to a green leafy rainforest. The colors that helped the snake blend into（融合）the desert would make it stand out against the green environment.

This just goes to show you that camouflage（保护色）doesn't work everywhere. Let's take a look at one animal species that is famous for changing over time to stay camouflaged: the peppered moth. Moth collectors in England noted that most peppered moths collected in the early 1800s were light gray peppered with bits of black. Many years later most of the moths collected were almost completely black. What could have caused the more common light colored moth to become rare?

During the 1800s, Europe and America experienced the Industrial Revolution. One of the new fuel sources that were heavily used during this time period was coal. As the trees darkened with soot（煤烟）, the light-colored moths were easier to see. They were eaten by birds more and more, while the rare dark colored moths blended in better on the darker trees. This made them have a higher survival rate and thus they were more likely to pass their dark colored genes onto their children. Over time, the dark colored moths became the more common of the two color forms. Natural selection favored the dark moths, so they were more successful after the trees changed.

Sound a little hard to believe? Well, more changes have come about since these conditions started to reverse（转变）, starting in the 1950s. Then, a Clean Air Act was introduced. Since that time, technology and cleaner burning fuels have started to decrease pollution in the areas where the peppered moth lives. The black soot no longer settles on the trees. As expected, the light peppered moth has recently been more common in the population. This is because it is better camouflaged.

【1】What do we know about the rattlesnake in a desert?

A.It almost has no enemies.

B.It attacks travelers often.

C.It stands out against the environment.

D.It is good at making its presence unknown.

【2】The underlined word "This" in Paragraph 3 refers " "

A.the soot-darkened tree

B.the Industrial Revolution

C.dark-colored moths staying camouflaged

D.light-colored moths facing more enemies

【3】What did the Clean Air Act bring about?

A.Damage to local ecology.B.More observations of moths.

C.An increase in the variety of moth species.D.A decrease in the number of dark-colored moths.

【4】What is the text mainly about?

A.Camouflage in the animal world.B.The battle between two moth species.

C.The influence of the Industrial Revolution.D.An excellent example of environmental adaptation.

【题目】The youth like me mostly take a liking to pop music more than classical music, which really ______us .

A.turns...downB.turns...inC.turns...overD.turns...off

【题目】 A few weeks ago, scientists at Ukraine's Vernadsky Research Base in Antarctica found their usually white surrounds were covered in a shocking blood-red. For such a mess, the culprits behind this horrible scene are tiny.

“Our scientists have identified them under a microscope as Chlamydomonasnivalis(雪地衣藻),” said the National Antarctic Scientific Centre of Ukraine in a Facebook post.

These green algae, a type of seaweed, are common in all icy and snowy regions of Earth, from the Arctic to high mountain regions. They lie still during the freezing winter, but once the sunlight warms enough to soften their world, the algae awake, making use of the melt water and sunlight to rapidly bloom.

“The algae need liquid water in order to bloom,” University of Leeds microbiologist Steffi Lutz told Gizmodo in 2016. “The algal blooms contribute to climate change,” the center stated.

A study in 2016 showed that snow algal blooms can decrease the amount of light reflected from the snow by up to 13 percent across one melt season in the Arctic. “This will surely result in higher melt rates,” the researchers wrote.

In 2017 environmental scientists calculated that microbial communities contributed to over a sixth of the snowmelt where they were present in Alaskan ice fields. Their experiments showed that areas with more melt water led to the growth of 50 percent more algae and places with more algae melted further.

This Antarctic summer has certainly seen a lot more melt water than usual. Temperature records keep changing, leading to rapid melting previously only seen in the Northern Hemisphere.

【1】What does the underlined word “culprits” in Paragraph 1 mean?

A.Risks.B.Chances.

C.Effects.D.Criminals.

【2】What can we know about Chlamydomonasnivalis?

A.They can be found anywhere.B.They are sensitive to temperature.

C.They grow slower than before.D.They survive only one melt season.

【3】What can be inferred from the last two paragraphs?

A.Ice and snow will soon disappear in the Antarctic.

B.Microbial communities bring about extreme weathers.

C.The Southern Hemisphere is warmer than the other parts.

D.Climate change and algae growth interact with each other.

【4】Which can be a suitable title for the text?

A.Why Snow Turned Blood-red.B.How Algae Began in the Arctic.

C.Why Climate Changes Greatly.D.How the Snow Reflects Sunlight.

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