自考汉译英，以下是我自己乱翻的，请高手帮我指点一下，先谢谢了！！！
1.人们越来越注重生活的质量。
2.即使生气，你讲话也要礼貌、自然。
3.由于造价过于昂贵，许多人都反对在市中心建造新宾馆。
4.他对保险业的了解相当有限。
5.他们几乎没意识到已完成了一项重大科学发现。
1.People are increasingly concernded with the quality of life.
2.Even if you were angry, you should had spoken politely, natually.
3.Many people opposed building a new hotel because of the great cost.
4.His understanding with insurance is quite limited.
5.They hardly realized that they have finished the significant scientific discovery.

的确是自考题，应该过半的分数
1.People are increasingly concernded with the quality of life. 我觉得＂more and more"更接近原意思
2.Even if you were angry, you should had spoken politely, natually. in a polite and natural way?
3.Many people opposed building a new hotel (DOWＴＯＷＮ）because of the great cost.
4.His understanding with insurance（BUSINESS) is quite limited.
5.They hardly realized that they have finished(HAD ACHIEVED/ACCOMPOLISHED) the(a) significant scientific discovery.