完成句子（共5小题；每小题1分，满分5分）
1．中国人正在尽自己的一份力以解决这些环境问题。
People within China to solve these environmental problem.
2．他们很关心关于培训的规定。
They are concerned about the rules training.
3．作为世界第三长河，长江的环境问题已经引起了国内外的关注。
As the third longest river in the world, the health of the Yangtze River both in China and abroad.
4．如今许多人把这一变化归咎于二氧化碳等气体。
Today many people this change gases such as carbon dioxide.
5．第一只成功地用成年动物的细胞克隆出的哺乳动物是多利羊。
The first mammal successfully from an adult cell was Dolly the sheep. are doing /trying their part/best （任何一个单词有误，一分全扣）
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(答案→)are doing /trying their part/best （任何一个单词有误，一分全扣）
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