module 4 sandstorms in asia (book ⅲ)
learning paper 1
1. new words and phrases
沙尘暴_________沙丘_________ 沙漠化____________
沙尘 _____ 大气层__________ 废料_________ mass_________ campaign _________ process ________ citizen ________forecast _________ pollution ______ 化学药品________ 环境___________ 力量_______ 重新利用___________ concerned ________
urgent__________complain________scary___________
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