Unit 8　It must belong to Carla.Self Check（同步练习） 2023-2024学年人教版九年级英语全册

Unit 8　It must belong to Carla.Self Check（同步练习，后附答案） 一、完形填空。 The universe is really mystical (神秘的).Scientists have done lots of studies about it __1__ there is still much they haven't discovered. The earth is one of the planets going around the sun.There are humans，animals，plants and many other kinds of __2__ on the earth.There is water and air，too.And compared to the other planets，the earth is not too __3__ or too cold.None of seven other planets has an environment like that of the earth. The sun and its planets are __4__ the solar system (太阳系).It is a small part of the Galaxy or the Milky Way (银河系).There are billions of __5__ in the Galaxy，and our sun is only one of them. Scientists have also __6__ many other galaxies in the universe.Their light has to travel for many years to reach us.So __7__ large is the universe？It is impossible to imagine. Scientists have sent spaceships to the planet Mars.However，no spaceship has traveled __8__ enough to reach other stars in our Galaxy. When we see stars twinkling (闪耀) in the sky at night，we may think a lot：__9__ so many stars in the universe，is there life out there in space？If there is life on other planets，what life will be like there？What transports do they use to __10__？Why don't they visit us？We do not know the answers. ( )1.A．but B．so C．or D．and ( )2.A.plants B．lives C.animals D．nature ( )3.A.cool B．warm C．hot D．wet ( )4.A.caused B．carried C．explained D．called ( )5.A.lights B．rivers C．stars D．air ( )6.A.discovered B．invented C．produced D．prevented ( )7.A.why B．what C．how D．when ( )8.A.large B．far C．wide D．long ( )9.A.with B.without C．by D．on ( )10.A.travel B．serve C．throw D．beat 二、阅读理解。 A Drawing is my hobby.I draw everything around me，and the things in my head.Last month，something strange happened to my drawings. I have a desk in my bedroom，with my