题目内容

Since 2008, hunters have illegally killed more than 3000 rhinos in South Africa. The International Union for Conservation of Nature warns that rhinos may die out by 2026. People who hunt and kill illegally are called poachers. The most effective way to watch for and prevent illegal hunting is from the air. However, piloted flights are too costly. Fortunately, some Spanish college students have invented a drone (无人机) that can observe more places than a plane.

Arnau Garcia is an aeronautical (航空学的) engineering student at the Polytechnic Institute of Catalonia, in Spain. He says observers from the air have trouble finding poachers when they hide under the trees. Mr. Garcia and other students have worked with the drone manufacturer HEMAV to help find the hidden poachers. They make it by using the thermal camera, which is especially sensitive to body heat. Even when the poachers keep still, it can also keep track of them.

The drone can fly in the wind up to 55 kilometers per hour. It has an autopilot system, so it memorizes the flight path. The drone also has a microphone, a video camera and a GPS system. These permit it to report accurately where a picture is taken. After each flight, the drone can bring back detailed information about where rhinos are found, the conditions of water and plants in the area, and the positions of suspected poachers.

Experts say the drone can fly as far as 70 kilometers from the base. It means that it could quickly observe large areas for poachers. However, the same search operation would take days for human observers. Thanks to the drone, many poachers have been caught and the number of rhinos is on the increase. In addition, HEMAV has received an increasing number of orders for the drone. Even South African national park officials attempt to fill the air with drones.

1.What do we know about the drone? _____

A. It may get lost easily in the air.

B. It can’t work in the windy days.

C. It can offer detailed information.

D. It is useless when the poacher stays still.

2.What’s the best title for the text? _____

A. How to make the drone work well

B. A new way to stop illegal hunting

C. The living conditions of rhinos are worrying

D. The drone helps save rhinos in South Africa

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Choose Your One-Day-Tours!

Tour A—Bath &Stonehenge including entrance fees to the ancient Roman bathrooms and Stonehenge —£37 until 26 March and £39 thereafter.

Visit the city with over 2,000 years of history and Bath Abbey, the Royal Crescent and the Costume Museum, Stonehenge is one of the world’s most famous prehistoric monuments dating back over 5,000 years.

Tour B—Oxford & Stratford including entrance fees to the University St Mary's Church Tower and Anne Hathaway's —£32 until 12 March and £36 thereafter.

Oxford: Includes a guided tour of England's oldest university city and colleges. Look over the “city of dreaming spires(尖顶)”from St Mary’s Church Tower. Stratford: Includes a guided tour exploring much of the Shakespeare wonder.

Tour C—Windsor Castle &Hampton Court including entrance fees to Hampton Court Palace —£34 until 11 March and £37 thereafter.

Includes a guided tour of Windsor and Hampton Court, Henry VIII’s favorite palace. Free time to visit Windsor Castle(entrance fees not included).With 500 years of history, Hampton Court was once the home of four Kings and one Queen. Now this former royal palace is open to the public as a major tourist attraction. Visit the palace and its various historic gardens, which include the famous maze(迷宫)where it is easy to get lost!

Tour D—Cambridge including entrance fees to the Tower of Saint Mary the Great—£33 until 18 March and £37 thereafter.

Includes a guided tour of Cambridge, the famous university town, and the gardens of the 18th century.

1. Which tour will you choose if you want to see England’s oldest university city?

A. Tour A B. Tour B C. Tour C D. Tour D

2.Which of the following tours charges the lowest fee on 17 March?

A. Windsor Castle & Hampton Court

B. Oxford & Stratford

C. Cambridge

D. Bath & Stonehenge

3.Why is Hampton Court a major tourist attraction?

A. It is a world-famous castle

B. It used to be a well-known maze

C. It is the oldest palace in Britain

D. It used to be the home of royal families

In some countries,open campus (校园) is widely accepted. For example, French students have a two-hour lunch break from 11:30 a.m. to 1:30 p.m. During their lunch break, they can eat at home or at a restaurant. But students in the Philippines have a tougher schedule. They have only two 15-minute breaks and an hour for lunch.

What Schedule would be best for American schools?

Having breaks between classes is great, but having breaks off campus is even better. There are several advantages to open campus, including simple conveniences such as being able to eat different meals during lunchtime, rather than having the cafeteria (自助食堂) dishes, as well as having the chance to take a break at home.

However, there are more reasons I disagree with allowing high school students the right to have an open campus. Sure, it’s great being able to escape school during the day for a while, but soon enough that may easily become the rest of the day.

If open campus is allowed, it is very possible that such freedom will make it all too easy for students to skip their afternoon classes. Of course, there will be students responsible enough to come back to school.

But unexpected problems such as heavy traffic, city bus delays (延迟) or cars breaking down may prevent them from returning to school. It benefits the students to stay in school during lunch hours to avoid transportation issues.

Depending on how close the school is to restaurants and students’ homes, open campus could be a great idea. Unfortunately, though, most public schools in America are not located close enough to restaurants or students’ homes, thus causing the negative results to outweigh (超过) the positives in the end.

1.Compared with French students, students in the Philippines .

A.have a poor diet B.get better grades

C.have less freedom D.prefer eating on campus

2.In the author’s opinion, open campus will probably .

A.lead to heavy traffic

B.cause students to cut school

C.attract more students to school

D.increase students’ sense of responsibility

3.What can we learn from the text about most American public schools?

A.They have a two-hour lunch break.

B.They allow students to eat outside.

C.They plan to have open campus.

D.They are far from students’ homes.

4.The text mainly discusses whether high schools should .

A.have a strict schedule

B.have a long lunch break

C.have open campus for lunch

D.be located close to restaurants

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