Pollution poses a great threat to our exisPollution poses a great threat to our existence怎么翻译?

Pollution poses a great threat to our exisPollution poses a great threat to our existence怎么翻译? ASTM A-53 Gr B poses a tremendous threat to 如题在作文中一般用来表示什么 Pollution includes( ) A.Light and air pollution B.noise pollution and wate pollution c.bothA and B There is a lot of pollution.(改为一般疑问句） ____ ____ ____ of pollution. 波形梁护栏路侧(Gr-A-BT2)什么意思 请问Gràcies a tots.Visca el Bara! 地球半径为R,地面上重力加速度为g,绕地球做匀速圆周运动的人造地球卫星,其线速度不可能是( )A √gR B 1/2√ gR C √ gR /2 D 2√gR today pollution has become a seriously problem on earth. Air pollution is now a serious problem in China 英译汉 The (a ) where they live have many problem with pollution. Pollution is a w______ problem.首字母填空填什么. Pollution is a big p___ for the party Pollution is a big p______ in many countise The local government is making a s___ of river pollution man is fighting a battle against pollution.改为被动语态. We must f_ a battle against pollution(=^ω^=) what a awful pollution in our lives!这种表达对吗