<p class="ql-block">1. history 历史；历史课</p><p class="ql-block">China is a country with a long history.</p><p class="ql-block"> 中国一个有着悠久历史的国家</p><p class="ql-block">I think history is interesting.</p><p class="ql-block">2.hard 形容词 困难的；坚硬的； 艰辛的</p><p class="ql-block"> 副词 努力地； 猛烈地</p><p class="ql-block"> The task is hard/difficult.</p><p class="ql-block"> Hard work makes her tired .</p><p class="ql-block"> 艰辛的工作使她很疲倦。</p><p class="ql-block"> It rains hard. 雨下得很大</p><p class="ql-block">3.boring 乏味的； 令人生厌的</p><p class="ql-block"> Tuesday is a boring day.</p><p class="ql-block"> Biology is boring.</p><p class="ql-block"> bored 厌倦的；无聊的 主语是人</p><p class="ql-block">I feel bored today.</p><p class="ql-block">be bored with sth 对某物感到厌倦</p><p class="ql-block">4. useful 有用的</p><p class="ql-block"> a useful dictionary </p><p class="ql-block"> The map is useful to me.</p><p class="ql-block"> -ful是形容词后缀，加在某些词的后面构成形容词。</p><p class="ql-block"> help - helpful 有帮助的</p><p class="ql-block"> colour- colourful 多彩的</p><p class="ql-block"> thank- thankful 感激的</p><p class="ql-block"> care- careful 小心的</p><p class="ql-block">5. exciting 令人激动的</p><p class="ql-block"> many exciting toys</p><p class="ql-block"> 许多令人激动的玩具</p><p class="ql-block">Playing ping pong is exciting.</p><p class="ql-block"> excited 用来描述人的主观感受。</p><p class="ql-block"> sb be excited at 对某事感到兴奋</p><p class="ql-block">We are excited at the coming sports </p><p class="ql-block"> meeting.</p><p class="ql-block">6. It is interesting to learn about </p><p class="ql-block">the past.</p><p class="ql-block"> It is +adj（for sb) + to do sth </p><p class="ql-block"> 做某事是……的</p><p class="ql-block">其中的形容词是描述事物特征的词。</p><p class="ql-block"> It is difficult for me to learn baths well.</p><p class="ql-block">It is exciting for me to have PE.</p><p class="ql-block"> learn about 学习； 了解</p><p class="ql-block">learn from sb 向某人学习</p><p class="ql-block">learn sth from sb 向某人学习</p><p class="ql-block">learn to do sth 学习做某事</p><p class="ql-block">He is hard-working. We should learn</p><p class="ql-block"> from him.</p><p class="ql-block"> 他很勤奋，我们应该向他学习。</p><p class="ql-block">I learned something useful from the</p><p class="ql-block">activity.</p><p class="ql-block"> 从这次活动中学到了 有用的东西。</p><p class="ql-block"><br></p><p class="ql-block"><br></p><p class="ql-block"><br></p><p class="ql-block"> </p><p class="ql-block"> </p>