仁爱英语七下U6PPT
Section Arain雨，雨水cloud云sun太阳river河流lake湖泊sea大海evaporation蒸发condensation凝结prec...
Section Arain雨，雨水cloud云sun太阳river河流lake湖泊sea大海evaporation蒸发condensation凝结precipitation降水cycle循环Simple Past Tense描述过去发生的事件或动作ExampleIt rained yesterdayWhat causes rain?How does the water cycle work?The sun heats up the water in lakes and riversThe water evaporates and forms cloudsWhen the clouds get coldthe water condenses and turns into rainThe rain falls back to the ground and flows into rivers and lakes againSection Bdrought干旱flood洪水snowflake雪花hail冰雹thunderstorm雷雨typhoon台风hurricane飓风Present Continuous Tense描述正在发生的事件或动作ExampleIt is raining nowWhat different types of precipitation are there?How do different weather conditions affect our lives?During a droughtthere is not enough rain for crops to growFloods can cause damage to houses and roadsSnowflakes fall from the sky during a snowstormHail can be very dangerous because it falls from the sky at high speedsThunder and lightning are common during thunderstormsTyphoons and hurricanes are strong winds that can cause a lot of damageSection Cumbrella雨伞raincoat雨衣boots靴子wet潮湿的dry干燥的shelter遮蔽处Modal Verbs表达可能性、建议或必要性ExampleYou should take an umbrella with you in case it rainsHow do we prepare for different weather conditions?What should we do if it starts raining suddenly?Always carry an umbrella or a raincoat with you in case it rainsWear boots so your feet don't get wetSeek shelter if there is a thunderstormRemember to stay dry and safe during bad weatherSection Drainbow彩虹sunshine阳光wind风snow雪fog雾temperature温度Comparative and Superlative Adjectives描述事物之间的比较和最高级关系ExampleIt is warmer today than it was yesterdayThis is the hottest month of the yearHow does weather affect our mood and activities?What is your favorite weather condition and why?A rainbow always appears after a rainstormSunshine makes people happy and energeticWind can be refreshing on a hot daySnow is beautiful but can also be inconvenientFog can make it difficult to see but it's also mysterious and romanticTemperature affects what we wear and what activities we do outdoorsSection Eenvironment环境pollution污染climate change气候变化global warming全球变暖greenhouse gas温室气体responsible有责任的，尽责的Infinitives as Adjectives用不定式作形容词来描述名词ExampleThe main cause of climate change is to burn fossil fuelsHow does human activity affect the environment and climate?What can we do to protect the environment and reduce climate change?Burning fossil fuels releases greenhouse gases into the airDeforestation leads to soil erosion and loss of biodiversityWe should be responsible for our actions and reduce waste and pollutionPlanting trees helps absorb carbon dioxide from the airUsing public transportation or cycling instead of driving can reduce greenhouse gas emissionsEducating ourselves and others about environmental issues is crucial for protecting our planet
