Have you ever wondered whether where is life on Mars? The bog Red Planet is a mystery to us but ____(hope) not for much longer.

    On November 11, the Mars rover(漫步者)____ (name) Curiosity started its journey into space. After eight months flying in a rocket, Curiosity covered more than 566 million kilometers and finally landed on Mars — according to BBC reports.

    The rover is there to find out ____ there is, or ever was, life on the cold, desert-like planet.

    The place ____ Curiosity landed is called Gale Crater, a huge hole on Mars. Scientists believe that there ____(be) once water and even life there.

    In order to do its job, Curiosity is packed with many ____(use) tools, though it is only three meters long, about the size of a small car.

    It has a robot arm that can collect soil and drill into rock. It also carries ____ own laser gun. The gun can turn a small amount of rock into gas, so that Curiosity can study what the rock ____(make) up of.

    ____ the help of these tools, Curiosity will act as a robot geologist. For the next two years, it will stay and travel inside Gale Crater,____ (collect) and studying rock and soil.