1. (2022九上·广西壮族自治区开学考) 你将听到一篇短文, 请根据短文内容, 选出每个问题的最佳答案, 短文读两遍。

Scientists think that there has been life on Earth for millions of years.<br />However, they haven't found life on other planets yet.<br />We also know the Earth is only one of the eight planets and it goes around the Sun.<br />The Sun and its planets are called the Solar System.<br />Scientists have sent lots of spacecraft into space because they want to know more about<br />our space.<br />We're looking forward to receiving more messages from space.<br />Maybe one day more people can take the space shuttle to space and can live there happily.<br />Scientists think that there has been life on Earth for millions of years.<br />However, they haven't found life on other planets yet.<br />We also know the Earth is only one of the eight planets and it goes around the Sun.<br />The Sun and its planets are called the Solar System.<br />Scientists have sent lots of spacecraft into space because they want to know more about<br />our space.<br />We're looking forward to receiving more messages from space.<br />Maybe one day more people can take the space shuttle to space and can live there happily.

1. （1） How long has life been on Earth?

   A . For millions of years. B . For billions of years. C . For hundreds of years.
3. （2） Have scientists found life on the other planets?

   A . Yes, they have. B . No they haven't. C . Maybe they have.
5. （3） What does the Earth go around?

   A . The Moon. B . The Solar System. C . The Sun.
7. （4） Why have scientists sent lots of spacecraft into the space?

   A . Because they want to travel in space. B . Because they want to know more about our space. C . Because they want to be famous all over the world.
9. （5） How can people get to space?

   A . Take the plane. B . Take the space shuttle. C . We can't get there.