人教版 (2019)必修 第一册Unit 4 Natural disasters教案设计

这是一份人教版 (2019)必修 第一册Unit 4 Natural disasters教案设计，共8页。
必修一 Unit4 Natural Disasters Disaster: Usage: A disaster refers to a sudden and severe event causing great damage, destruction, or loss of life. Example: The earthquake that hit the city was a major disaster, leaving thousands homeless and causing widespread devastation. Tornado: Usage: A tornado is a violent, rotating column of air that extends from a thunderstorm to the ground. Example: The tornado tore through the small town, uprooting trees and destroying several houses. Drought: Usage: A drought is a prolonged period of abnormally low rainfall, leading to a water shortage in a region. Example: The ongoing drought has resulted in water rationing and a decline in agricultural production. Landslide: Usage: A landslide occurs when a mass of earth or rock slides down a slope, often triggered by heavy rainfall or earthquakes. Example: The heavy rains caused a landslide, blocking the road and isolating the mountain village. Tsunami: Usage: A tsunami is a series of large ocean waves usually caused by an undersea earthquake or volcanic eruption. Example: The tsunami waves crashed into the coastal town, causing significant destruction and loss of life. Flood: Usage: A flood is an overflow of water onto land that is usually dry. Example: The river overflowed its banks, leading to widespread flooding in the surrounding areas. Volcanic Eruption: Usage: A volcanic eruption is the release of magma, ash, and gases from a volcano. Example: The volcanic eruption spewed ash into the atmosphere, affecting air travel in the region. Magnitude: Usage: Magnitude refers to the size, extent, or importance of something, often used to describe the intensity of earthquakes. Example: The earthquake measured 7.5 on the Richter scale, indicating a significant magnitude. Rescue: Usage: Rescue involves saving someone from a dangerous or distressing situation. Example: The search and rescue team worked tirelessly to find survivors trapped under the collapsed building. Damage: Usage: Damage refers to harm or injury caused by an event or action. Example: The storm caused extensive damage to the infrastructure, leaving many without electricity. Destroy: Usage: Destroy means to completely ruin or damage something beyond repair. Example: The fire destroyed the historic building, reducing it to ashes. Evacuate: Usage: Evacuate means to move people away from a dangerous area to a safer place. Example: The authorities ordered residents to evacuate as the floodwaters continued to rise. Helicopter: Usage: A helicopter is a type of aircraft that can take off and land vertically and is often used for transportation or rescue operations. Example: The injured hiker was airlifted to safety by a helicopter. Death: Usage: Death refers to the end of life or the state of being deceased. Example: The earthquake resulted in several deaths and many injuries. Affect: Usage: Affect means to produce a change or influence something. Example: The economic crisis affected businesses and led to job losses. Shelter: Usage: Shelter is a place that provides protection and safety, especially during emergencies or disasters. Example: The relief organization set up temporary shelters for the displaced families. Crack: Usage: A crack is a narrow opening or fracture, often found in surfaces like walls or rocks. Example: The earthquake caused cracks to appear in the walls of many buildings. Gas: Usage: Gas refers to a substance in a state that is neither solid nor liquid, such as oxygen or carbon dioxide. Example: The leak of a toxic gas from the factory caused several people to fall sick. As if: Usage: "As if" is a phrase used to compare something or express a resemblance. Example: The wind howled outside as if a storm was approaching. Ruin: Usage: Ruin refers to the state of being destroyed or severely damaged. Example: The abandoned castle was in a state of ruin, with only its walls standing. In ruins: Usage: "In ruins" means something has been completely destroyed or fallen into a state of decay. Example: After the earthquake, the once-thriving city lay in ruins. Percent: Usage: Percent is a unit of measurement representing a portion out of 100. Example: Fifty percent of the population voted in favor of the new law. Brick: Usage: A brick is a rectangular block made of clay or other materials, used for building walls or structures. Example: The old house was constructed using red bricks. Metal: Usage: Metal refers to a solid material that is typically hard, shiny, and has good electrical conductivity. Example: The roof of the building was made of corrugated metal sheets. Shock: Usage: Shock is a strong emotional or physical reaction to a sudden, unexpected event. Example: The news of the accident left everyone in shock. In shock: Usage: "In shock" means being in a state of extreme surprise, disbelief, or emotional numbness. Example: She was in shock after hearing about her friend's sudden death. Electricity: Usage: Electricity is a form of energy produced by the movement of electrons, commonly used for powering devices and lighting. Example: The power outage left the entire neighborhood without electricity. Trap: Usage: To trap means to catch or confine something or someone in a confined space. Example: The hikers were trapped in the cave due to a rockfall. Bury: Usage: To bury means to put something or someone in the ground and cover it with soil. Example: The archaeologists uncovered ancient artifacts buried deep in the earth. Breathe: Usage: To breathe means to inhale and exhale air, necessary for sustaining life. Example: The fresh mountain air made it easier to breathe. Revive: Usage: To revive means to bring back to life or consciousness. Example: The lifeguard performed CPR to revive the drowning swimmer. Revival: Usage: Revival refers to the act of bringing something back to life or popularity. Example: The classic play received a revival on Broadway, attracting a new audience. Effort: Usage: Effort is the exertion of physical or mental energy to accomplish something. Example: With great effort, they managed to complete the challenging task. Unify: Usage: To unify means to bring together or combine to form a single unit or entity. Example: The treaty aimed to unify the two neighboring countries. Wisdom: Usage: Wisdom refers to the ability to apply knowledge and experience to make sound judgments and decisions. Example: The elder shared her wisdom with the younger members of the community. Context: Usage: Context is the circumstances or information that surround a particular event or situation and give it meaning. Example: Without proper context, the statement can be easily misunderstood. Suffer: Usage: To suffer means to experience pain, distress, or hardship. Example: The victims of the natural disaster suffered immense losses. Volcano:Usage:A volcano is a geological formation that results from the eruption of molten rock (magma) onto the Earth's surface. It can also refer to the vent or opening through which this magma, volcanic ash, and gases are expelled. Example: Volcanoes can have a significant impact on the environment and surrounding communities. Erupt: Usage: Erupt" is a verb that means to burst forth or release suddenly, often with great force or violence. It is commonly used to describe volcanic activity when a volcano releases magma, ash, and gases onto the Earth's surface. Example : The volcano erupted, sending a plume of ash and smoke high into the sky. Supply: Usage: Supply refers to the quantity of something available for use or distribution. Example: The stores quickly ran out of supplies during the hurricane preparation. Typhoon: Usage: A typhoon is a tropical cyclone that occurs in the Pacific region. Example: The typhoon caused widespread destruction and flooding in the coastal areas. Hurricane: Usage: A hurricane is a powerful tropical cyclone that forms in the Atlantic or eastern Pacific Ocean. Example: The hurricane's strong winds uprooted trees and damaged buildings. Survive: Usage: To survive means to continue to live or exist despite difficult circumstances. Example: With proper medical care, the patient managed to survive the life-threatening illness. Power: Usage: Power refers to the ability to control or influence others or the environment. Example: The strong winds knocked down power lines, causing a blackout. Tap: Usage: To tap means to lightly touch or strike something. Example: She tapped on the window to get her friend's attention. Pipe: Usage: A pipe is a long, tube-like structure used to convey liquids or gases. Example: The burst pipe flooded the basement of the house. Whistle: Usage: To whistle means to make a high-pitched sound by blowing air through pursed lips. Example: The coach used a whistle to signal the start of the game. Emergency: Usage: An emergency is a situation that requires immediate action to prevent harm or damage. Example: The hospital was well-prepared to handle the influx of patients during the emergency. Calm: Usage: Calm refers to a state of tranquility or lack of agitation. Example: After the storm passed, the sea returned to a calm state. Aid: Usage:Aid is a noun that refers to assistance, support, or help provided to someone in need, especially during difficult or challenging circumstances. It can also be used as a verb, "to aid," which means to provide assistance or support. Example: The humanitarian organization provided food, medical aid, and shelter to the victims of the natural disaster. Kit: Usage: Kit" is a noun that refers to a set of tools, equipment, or items assembled together for a specific purpose or activity. It is often used to describe a collection of items that are needed or useful for a particular task or situation. Example: The first-aid kit in the office contained bandages, antiseptic wipes, and pain relievers.  On hand: Usage: On hand is a phrase that means having something readily available or easily accessible at the current moment. It implies that the item or resource is within reach and can be used or accessed without delay. Example: The firefighters always keep first-aid supplies on hand in case of emergencies.  Crash: Usage: A crash refers to a violent collision or impact. Example: The two cars collided, resulting in a severe crash. Sweep: Usage: To sweep means to clean or move away debris or dirt with a broom or a similar tool. Example: He swept the fallen leaves off the driveway. Sweep away: Usage: To sweep away means to remove or carry away something quickly and forcefully. Example: The floodwaters swept away everything in their path. Wave: Usage: A wave is a moving ridge or swell on the surface of water. Example: The surfer rode the wave all the way to the shore. Strike: Usage: To strike means to hit or deliver a blow. Example: The lightning strike hit the tree, causing it to catch fire. Deliver: Usage: To deliver means to transport or bring something to a specific location. Example: The courier will deliver the package to your doorstep. Summary: Usage: A summary is a concise and condensed version of information or a story. Example: The professor provided a summary of the key points at the end of the lecture. Effect: Usage: Effect refers to the result or consequence of a particular action or event. Example: The new policy had a positive effect on the company's profits. Length: Usage: Length refers to the measurement of something from one end to the other. Example: The length of the river is approximately 500 kilometers.