(
课件网) Unit 4 Unit 4 The Earth The Earth PRESERVE THE EARTH WORLD EARTH DAY Talk What colors are there Show your painting with your desk mate and share your ideas. What do the colors stand for (代表) What are there in my painting What symbols are there What do the symbols stand for (代表) Say and write Most of the Earth is covered by the sea. meaning:_____ part of speech:_____ The North and South Poles are covered with snow and ice all year round. 被…覆盖_____ There are ice covers in the Arctic region. meaning: _____ part of speech: _____ [Fill in the blanks] 1. Antarctica, which surrounds the _____ _____, has a thick ice _____(cover). 2. The Arctic Ocean is mostly _____ _____ ice. 3. Dense rainforests _____ much of the land near the _____, creating a humid climate. 覆盖 v. be covered by/with 覆盖物 c.n. South Pole covers covered by/with cover equator Say and write What animals can we find on Earth We can find arctic foxes in the snow. arctic foxes penguins polar bears Say and write What animals can we find on Earth We can find … whales in seas butterflies in rainforests monkeys in rainforests Say and write What animals can we see on Earth eagles in mountains antelopes in deserts camels in deserts Say and write What animals can we see on Earth clown fish in coral reefs tigers in fields The Earth is home to _____ _____ animals. Say and write hundreds of Listen and discuss Earth’s biodiversity is rich in nature. The Earth is home to millions of species of p_____, a_____, bacteria (细菌), fungi (真菌) and others. Animals live in different habitats because each habitat has its special geographical f_____. Their habitats p_____them with unique r_____ (资源) and conditions that are essential for their survival. What do you think of our planet plants animals features provide resources 生物多样性 Their habitats provide them with unique resources and conditions that are essential for their survival. meaning: _____ part of speech: _____ Their habitats provide unique resources for them. 为某人提供某物_____ / _____ [Make sentences with the words and phrases in brackets. Add others if necessary] (Earth / support / the only planet known / life)。 Earth is the only _____ known to s_____ life. 2. (clean water / provide / us / drink / with)。 It _____ us _____ _____ water to drink. 3. (provide / us / clean air / fertile soil / for) It also _____ clean air and fertile soil _____ us. 提供 v. provide sb. with sth. provide sth. for sb. planet upport provides with clean provides for Say and write What happened to the Earth air pollution plastic pollution water pollution noise pollution light pollution Pollution is harmful. Say and write What happened to the Earth Pollution harms our planet in many ways. Factories and cars make air dirty. Waste and chemicals pollute rivers and oceans, killing fish. Bright city lights affect animals and waste energy. Loud traffic and machines create noise that stresses people. ... ...
