【单选题】Don't be too _______ the boy, he is so young that he doesn't know he was doing wrong.
【单选题】——What’s wrong with the boy? ——He is a(an) ________boy. He can’t run fast.
【简答题】The boy is interested in b______( 生物 ), isn’t he?
【简答题】真分数的倒数一定大于1,假分数的倒数一定小于1.______.
【单选题】---Did the little boy manage _____ the suitcase upstairs? ---No, he didn’t. He isn’t strong enough even ______ it.
【简答题】假分数的倒数一定是小于1,真分数的倒数一定大于1.______.
【单选题】-- Why didn't Mike attend the evening party? -- He is a quiet boy; He loves reading at home ______ to parties.
【单选题】—Has the little boy been to America? —_____. [ ]
【简答题】一、名词解释 上止点: 下止点: 活塞行程: 曲柄半径: 气缸工作容积: 燃烧室容积: 气缸总容积: 发动机排量: 压缩比:
【单选题】-Was he a clever boy ? -_______ .