题目

看图表写五句话NameIJohnAge1415Height(身高)155cm160cmWeight(体重)45kg48kgHobbyWatch TVListen to musicBirthdayOctober 5thMarch 3rd 答案：John is one year older than me. He is five centimeters taller than me. John is heavier than me. I like to watch TV and John likes to listen to music. My birthday is on October5thand John's birthday is on March3rd. 在水平放置的长直木板槽中，一木块以6.0 m/s的初速度开始滑动．滑行4.0 m后速度减为4.0 m/s，若木板槽粗糙程度处处相同，此后木块还可以向前滑行多远？