The oil produced from either method 藉由以上两种方式开采的原油 produces more greenhouse gas emissions than any other oil. 比以其他方式 开采的原油排放更多温室气体 This is one of the reasons why it's called 这正是它被称为 the world's

I know families who are already living in this reality. 我知道这在有些家庭中已经实现了。 The Daniels family, for example, set up a DNA lab in the basement of their suburban Chicago home. 例如丹尼尔斯一家，在芝加哥郊区的家庭地下室建立了一个DNA

My fellow Americans, 我的美国同胞们： Every Fourth of July, we celebrate the day America declared its independence. 每年七月四日是我们庆祝美国宣布独立的日子。 But this month, let us also remember the day our country won its indep

We will show the courage to try and resolve our differences with other nations peacefully 我们将通过试图与其它国家和平地解决争端来显示我们的勇气 not because we are naive about the dangers we face, but because engagement can mor

But more classrooms and more teachers are not enough. We must seek an educational system which grows in excellence as it grows in size. This means better training for our teachers. It means preparing