【单选题】Shall we go and help them with their work? We’d better not. They said we’d just be______if we tried to help.
【单选题】We’d just __________ our finest creation, the Macintosh, and when I turned 30, I got fired.
【简答题】从销售的角度来说,市场包括哪三个要素,用公式怎么表示?
【简答题】已知函数 且函数 恰有两个零点,则实数 的取值范围是 .
【简答题】已知函数 且 是f(x)的导函数,若 ,,则 = .
【单选题】The teacher demanded that the homework ________in the way we’d just learned.
【简答题】Directions: Translate the following sentences into Chinese. We had wanted to let him know that no matter how difficult things got in the world, there would always be people who cared about him. We end...