[创造更适合我们班级孩子的“学讲”英语课]李涛涛 ]，自从徐州市推进 学讲计划 以来，一直在努力探索 学讲 之路，在这个过程中，经历了很多困难和挫折，但也意外收获了许多。学讲 课堂重视的是学生自己真实的学习的发生，所以学...+阅读
Part Ⅱ Reading prehension (Skimming and Scanning)(15 minutes)
Directions: In this part, you will he 15 minutes to go over the passage quickly and answer the questions on Answer Sheet 1.
For questions 1-7, mark
Y (for YES) if the statement agrees with the information given in the passage;
N (for NO) if the statement contradicts the information given in the passage;
NG (for NOT GIVEN) if the information is not given in the passage.
For questions 8-10, plete the sentences with the information given in the passage.
Airplane
Airplane Instruments
Modern airplanes are plicated machines. Pilots need many gauges(量表) and electronic aids to help fly them. The flight deck of a large passenger plane contains many indicator dials and warning lights. One of the most important instruments is the altimeter, which tells the pilot how high the plane is off the ground. The air speed indicator measures the plane’s speed. The artificial horizon shows the position of the plane relative to the horizon. The turn and back indicator shows how much, if at all, the plane is turning and tilting. In dense clouds and fog, a pilot would not always know which way the plane is heading if it weren’t for this instrument. A gyropass(旋转罗盘)and various radio devices are necessary for nigation.
Most large planes also he an automatic pilot. This is a device operated by a puter. It will fly the plane without the pilots touching the controls. These autopilots can even control takeoffs and landings. The flight deck also contains many gauges and meters that tell the pilot whether the many pieces of equipment on the plane are operating properly. They measure fuel level, temperatures, cabin pressure, electric current, etc. Indicators show whether the landing gear is up or down. The radio equipment allows the pilot to talk to ground controllers and to receive nigation signals.
Airplane Construction
Early airplanes were made of wood frames covered by fabric and held in shape by wire. After World War I, airplane designers started to use lightweight metals like aluminum, titanium, and magnesium alloys. A thin skin of metal was riveted into place over metal ribs. Strong epoxy(环氧的) glues are now used for some joints, instead of rivets. As planes grew in size, they became heier. More powerful engines were developed in order to fly the heier planes.
The use of metals brings with it a problem called metal fatigue. Stress and vibration in flight can cause metal parts eventually to break up. Airplanes must be constantly checked for signs of this trouble. Defective parts must be renewed by aircraft maintenance people.
Designers test scale models in wind tunnels before the full sized planes are built. Reactions of the models to high speed air streams give good indications how full sized planes will react in flight. This approach helps se a lot of money. It also helps to make airplanes safe.
Airport
An airport is a place where airplanes arrive and depart. Passengers lee and arrive on the airplanes and cargo is loaded and unloaded. Large, jet powered airplanes require long runways for takeoffs and landings. Big terminal buildings are necessary to handle thousands of passengers and their baggage. Very large airports usually serve several large cities and cover thousands of acres. Hundreds of planes arrive and depart daily. All this traffic must be carefully controlled to oid delays and accidents. This is done from a control tower. The tower stands high above the ground. Air traffic controllers, inside the tower, must be able to guide airplanes through their takeoffs and landings.
Large airports are often like small cities. Many he post offices, banks, hotels, restaurants, and many kinds of shops. Airports he their own fire and police departments, fuel storage tanks, and repair work shops. Some panies even he their shipping warehouses located at airports.
One of the largest airports in the world is in Grapevine, Texas, midway between the cities of Dallas and Fort Worth. This airport covers 7 200 hectares (18 000 acres).Its five terminals can handle the arrivals and departures of 90 jumbo jets at the same time. O’Hare International Airport, in Chicago, is the busiest airport in the world. It handles more than 37 million passengers a year.
Small airports that are used only by private airplanes usually cover 20 to 40 hectares (50 to 100 acres).They do not need all the buildings and services of a large airport. The control tower may be just a small room in a building at ground level.
Runways
Early planes were light. Early runways were sometimes just level grass fields. Ped runways became necessary when airplanes became heier and faster. Today’s big jet planes weigh hundreds of tons. They move along runways at speeds of 160 kph (100 mph).When they land, the runways take a lot of pounding and must be made of concrete or asphalt(沥青).They must he solid foundations and a surface that prevents skidding.
Airplanes take off into the wind in order to get better lift. They also land into the wind to he better control as they slow down. Most airports he runways pointing in different directions. This means that there are always runways on which airplanes can go into the wind as they take off and land.
Heily loaded passenger jets need long runways to gather enough speed to lee the ground. Runways at some large airports are longer than 3 000m(10 000 ft).
At night, bright lights line the runways so that pilots can find them without trouble. A system of flashing guide lights is set up beyond the runway to help pilots land safely.
Control Towers
People who work in control towers are called air traffic controllers. They direct the movements of all planes on the ground and in the air by keeping track of them on large radar screens. Air traffic controllers tell a pilot, by radio, when and where to taxi or pilot the plane down the runway.
Electronic equipment is used to guide airplanes. Long range radar is used to keep track of planes far away from the airport. This radar is called Ground Control Approach (GCA).When the airplane gets within a few miles of the runway, the air traffic controller begins to use Precision Approach Radar (PAR).This allows the controller to guide the airplane to within 0.4km(0.25mi)of the runway. At that point, the pilot pletes the landing. Another electronic aid used in bad weather is the Instrument Landing System (ILS).In this system, radio transmitters located near the runway send guidance signals to the airplane. These signals tell the pilot how to steer the plane for the final approach to the runways. Today, there are also electronic "microwe" landing systems (MLS) that can land the plane fully automatically.
Terminal Buildings
Terminal buildings vary in size and shape. Most of them are quite large. More than 228 million people fly on the airlines in America every year. Every passenger must pass through terminals. Long, covered walkways lead from the center of some terminals to the gates where airplanes are boarded. At some airports, buses are used to transport passengers to their airplanes. Passengers arriving from another country must pass through customs and passport control. Customs officials check the ining baggage for taxable items. They also check passengers to be sure no forbidden items are brought into the country. Passport officials check the passports of passengers for personal identification.
Passengers are not allowed to bring guns, knives, or other weapons onto a passenger airplane. Before boarding, they must walk through a detector which triggers a special signal if they are carrying anything made of metal. Luggage is also examined for weapons. This is done to ensure the safety of the passengers.
1. The main purpose of this passage is to introduce the history of airplanes.
2. The device of an automatic pilot can usually fly a plane more smoothly than a human pilot.
3. With the help of the radio equipment, pilots are able to municate with ground controllers.
4. We can tell from the passage that early airplanes are not as solid as modern ones.
5. According to the passage, the busiest airport in the world is in Grapevine, Texas, midway between the cities of Dallas and Fort Worth.
6. The runways should be long and solid enough for the heily loaded jets.
7. Precision Approach Radar (PAR) is used by air traffic controllers to keep track of airplanes far away from the airport.
8. The planes can be landed fully automatically if the control towers are equipped with .
9. After getting off the plane, every passenger arriving from another country must pass through .
10. When passengers go through a detector before they board, and anything made of metal is detected, the detector triggers .
Part ⅡReading prehension (Skimming and Scanning)
本文主要介绍了飞机的相关知识，包括飞机内部的一些重要仪器及它们的功能，飞机的制造和发展，指出了现代飞机与早期飞机的不同之处及相关问题;介绍了飞考试*大机场的规模和功用，飞机跑道、机场控制塔、机场大楼等的工作原理及作用等。
1. N)[精析]本文介绍了飞机、飞机场等有关设施的特点，并没有介绍飞机的发展史。
2. NG)[定位]由题干关键词an automatic pilot定位到第1个标题下的第二段第一句话。
[精析]原文指出自动驾驶仪无需驾驶员按任何按钮便可驾驶飞机，甚至可以自动起飞和降落。但并未提及它驾驶飞机比驾驶员强。
3. Y)[定位]由题干关键词the radio equipment定位到第1个小标题下第二段末句，"The radio equipment allows...to receive nigation signals."
[精析]该句意为"无线设备使驾驶员能够与地面控制人员谈话，接收导航信号"，是题干的同义转述。
4. Y)[定位]由题干关键词solid定位到第2个标题下首段首句Early airplanes were made of wood frames covered by fabric and held in shape by wire.
[精析]该句意为"早期的飞机是由铁丝固定，织物包裹的木结构制成的"，这显然不如现代飞机坚固。
5. N)[定位]由题干关键词Grapevine和Texas定位到第3个小标题下第三段首句One of the largest...of Dallas and Fort Worth.
[精析]由该句可知Grapevine，Texas是世界的机场之一的所在地。而世界上最繁忙的机场是位于本段倒数第二句的"O’Hare International Airport, in Chicago"。
6. Y)[定位]由题干关键词runways定位到第四个小标题下第三段首句。
[精析]第三段首句提到Heily loaded passenger jets need long runways to gather enough speed to lee the ground，可知跑道必须足够长。另外首段也提考试*大到现代飞机越来越重，也要求跑道足够坚固。
7. N)[定位]由题干关键词Precision Approach Radar (PAR)定位到第5个小标题下第二段。
[精析]由该段可知Precision Approach Radar (PAR)是用于引导向机场靠近的飞机的系统，而用于引导远离机场的飞机的系统是Ground Control Approach (GCA)。
8. electronic "microwe" landing systems (MLS)
[定位]由题干关键词control towers定位到第5个小标题末段末句。
[精析]末段末句提到"电子微波着陆系统可以使飞机自动着陆"，由此可知答案。
9. customs and passport control
[定位]由题意可定位到最后一个小标题下首段第六句。
[精析]从定位句可知从外国过来的乘客需要通过海关和护照检测。
10. a special signal
[定位]由题干关键词detector定位到全文末段倒数第三句。
[精析]从定位句可知如果有人携带金属物品，检测器就会发出特殊信号。
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