when we show our concern about our planet，which is now suffering much damage.However，different people may celebrate it in different ways，just like what the pictures show us.The man in Picture 1 is only trying to put up a banner on a lonely tree around which are many stumps.① On the contrary，in Picture 2 the couple are planting trees happily. 佳作播报 What the pictures tell us is that actions speak louder than words.If we want to protect our earth, instead of going on cutting down trees and just talking in vain，it's our actions that make a big difference. Things are the same in our daily life.Some people often complain about others'

　　bad behaviours on the road，while② they themselves refuse to obey traffic rules.Some

　　may care about their own interests，and even do harm to others even if③ they constantly

　　advocate doing voluntary work to help the poor.Therefore，just remembering actions speak louder than words is not enough.We should take practical steps if we want to achieve a certain goal. 1．...around which are many stumps.此句是介词＋which引导的定语从句。

　　[模拟]　Tell me the time at which the train leaves.告诉我火车离开的时间。 2．while此处强调对比，意为“即，然而”。

　　[模拟]　The son was having a good meal at home，while the parents were working in the field.

　　儿子在家吃好饭而父母却在田里辛勤劳作。 3．even if即使，相当于even though用于引导让步状语从句。

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