(
课件网) … spring Spring is…. It’s spring. We can see …in spring. . . . fly a kite We can…in spring. It’s spring. It’s spring. We can fly a kite. In spring plant trees It’s spring. It’s spring. We can plant trees In spring We can ____ in spring. plant _____ flowers plant _____ grass I like to plant ___in spring. Spring is happy. Let’s fly a kite. Let’s plant trees and grass. Spring is green. big tall young heavy strong hot cool -bigger small smaller -taller - younger -heavier -stronger -hotter -cooler short -shorter old - older light - lighter thin - thinner cold -colder warm -warmer sun earth moon weight （重量） 198.7×1028 kg 59.72×1023 kg 7.36 × 1022 kg age （年龄） 50×108 years 46×108 years 45.27×108 years temperature （温度） 5500℃ 37℃ -183℃ The ____is _____than the____. greenhouse effect（温室效应） It’s toooo hot!!!!
