Read the following extract carefully and answer the questions that follow : You haven’t heard about the Martian invasion of 2040? Tsk, tsk. What do they teach children nowadays? Well, you know, the invasion never really happened, because a single book stopped it. What was the book, you ask? A noble encyclopedia?1. Which Martian invasion is being referred to here?a. Here, a historian is telling his students how the Earth have been invaded by the Martian invasion of 2040.b. Here, a historian is telling his students how the Earth have been invaded by the Martian invasion of 2050.c. Here, a historian is telling his students how Mars have been invaded by the Martian invasion of 2040.d. Here, a historian is telling his students how the Sun have been invaded by the Martian invasion of 2040.2. Which book stopped the invasion?a. The book of earth stopped the invasion.b. The book of nursery rhymes stopped the invasion.c. The book of secret stopped the invasion.d. The book of astrology stopped the invasion.3. Name the chapter.a. The chapter The Book that Saved the Universe.b. The chapter The Book that Saved the Earth.c. The chapter The Book that Saved the Sun.d. The chapter The Book that Saved the Moon.4. Name the author.a. The author is Claire Sim.b. The author is Robert Brown.c. The author is Claire Boiko.d. The author is Richard.5. What is an 'encyclopedia'?a. An encyclopedia is a book giving information about various subjects and their aspects, arranged randomly.b. An encyclopedia is a book giving information about various people and their aspects.c. An encyclopedia is a book giving information about various problems and their aspects, arranged alphabetically.d. An encyclopedia is a book giving information about various subjects and their aspects, arranged alphabetically.