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壞天氣增加了我們的困難。（weather, add to , difficulty）

好天氣使我們的下周出游成為可能。

The fine weather___________________________ for us to go for an outing next week.

由于天氣原因，他所有的努力都白費了。

Because of the bad weather, all his efforts were _________________.

近期，霧霾天氣頻頻發生，PM2.5（可入肺顆粒物）與PM10（可吸入顆料物）這兩個此前不被人熟知的詞最近一直被許多人提及，環境保護越來越受到人們的關注。作為一名青少年，我們如何盡可能自己的微薄之力來保護環境，請以學生會的名義發出一個倡議。
要點；
1、環保受到人們更多的關注；
2、環境的現狀；
3、應采取的措施。
提示：霧霾天氣：Dust-haze weather
注意：詞數120詞左右（格式已給出，不計入總詞數）。
My fellow students,
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
The Students’Union