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again and again
v.&n. 漏；渗漏
n. 龙头；阀门
n. 啤酒
n. 货车；手推车
n. 回收利用
n. 工厂
prep. 与……不同
再三地；反复地
Words and expressions
Is your hometown clean enough?
Do you have any ideas for protecting the environment?
Remember these three words:
reduce
reuse
recycle
Use low-flow shower heads.
Use
energy-saving
light bulbs.
replace
with
Reduce
Reuse
Recycle
recycle bottles
recycle paper
Do you want to get more suggestions? Katie wrote a passage for you. Read and finish the following tasks.
独学(Self-learning)
1、独立完成 Task 1--4 ,合理分配时间。