已知双曲线$\frac{x^2}{a^2}+\frac{y^2}{b^2}=1$的一个焦点与抛物线$y^2=4x$的焦点重合，且双曲线的离心率等于$\sqrt{5}$，则该双曲线的方程为(     )

读《答司马谏议书》，回答问题。

   All students need to have good study habits(习惯). When you have good study habits, you can learn things quickly. You also remember them easily. Do you like to study in the living-room? This is not a good place because it is usuallytoo noisy. You need to study in a quiet place, like your bedroom. A quiet place will help you only think about one thing, and you will learn better. Before you begin to study, do not forget to clean your desk. A good desk light is important, too. You are feeling tired easily if there is not enough(足够的) light.

下列成语中，没有错别字的一组是(　　)