These projects didn`t just provide purpose for the people doing-|||-those jobs; they gave our whole country a sense of pride that we could do great-|||-things.-|||-Now it`s our turn to do great things.I know,you`re probably thinking:don`t know-|||-how to build a dam,or get a million people involved in anything.But let me tell-|||-you a secret:No one does when they begin.ldeas don`t come out fully formed-|||-They only become clear as you work on them.You just have to get started.-|||-It`s good to be idealistic.But be prepared to be misunderstood.Anyone working-|||-on a big vision will get called crazy, even if you end up right.Anyone taking the-|||-initiative will get criticized for moving too fast,because there`s always someone-|||-who wants to slow you down.In our society,we often don`t do big things because-|||-we`re so afraid of making mistakes that we ignore the fact that all the things will be-|||-wrong today if we do nothing.The reality is,anything we do will have issues in the-|||-future.But that can`t keep us from starting.-|||-So what are we waiting for?It`s time for our generation-defining public works.How-|||-about stopping climate change before we destroy the planet and getting millions-|||-of people involved in manufacturing and installing solar panels?How about-|||-curing all diseases and asking volunteers to track their health data and share their-|||-genomes(基因组)?How about modernizing democracy so everyone can vote-|||-online, and personalizing education so everyone can learn? These achievements-|||-are within our reach.Let`s do them all in a way that gives everyone in our society-|||-a role.-|||-6 Putting a man on the Moon and building the Hoover Dam are mentioned as-|||-__ that every generation has its defining works.-|||-A.effects B.reasons-|||-C.examples D.definitions-|||-7 What can be got from the projects mentioned in Para.1?-|||-A.Great jobs. B.Public concern.-|||-C.Defining works. D.A sense of pride.-|||-8 Which of the following statements is true about ideas?-|||-A.Some people have no idea at all.-|||-B.Ideas only become clear as people work on them.-|||-C.People start to do things when they have clear ideas.-|||-D.Ideas are not essential for people who want to do great things.-|||-9 What is the author`s emphasis in the third paragraph?-|||-A.It`s good to be idealistic.-|||-B. Misunderstandings can`t keep us from starting.-|||-C.If we do nothing,all the thing will be wrong today.-|||-D.We often don`t do big things because we`re so afraid of making mistakes.-|||-10 Which of the following sentences best summarizes the main idea of the passage?-|||-A.Everyone in our society needs a role.-|||-B.All the defining works are within our reach.-|||-C.Anything we do will have issues in the future.-|||-D.It is time for our generation to define public works.