河北省沧州市颐和中学高中英语 Unit 1 Cultural relics 词汇学案 2 新人教版必修 2]【学习目标】会读、会写、会运用所学习的新单词、短语或表达【自主学习】1. doubt n. _____________ vt. _______________(用法) I doubt whether (if)...我怀疑是否……I don't doubt that...我确信……注意:doubt 在肯定句中用 whether 或 if 引导从句,但在疑问句和否定句中用 that 引导从句。without doubt 无疑地;确实地例句:(1)___________________________________ they will agree with you on this matter.毫无疑问,他们在这件事上会同意你的意见的。(2)I don't doubt______ he can finish the task on time. 我相信他能按时完成任务。(3)I doubt___________ they can swim across the river. 我怀疑他们能否游过河去。(4)This meeting has been, ____________ , one of the most useful we have had so far.这无疑是我们迄今为止最有用的一次会议。(拓展) doubtful adj. __________2. worth prep. 值得的;相当于……的价值 n.价值;作用 (对比) worth ; worthy ; worthwhile(2) be worthy of sth./ doing 值得…,需要注意的是用 worthy 时要把被动表示出来 to be done The book is worthy of being read. to be read.The topic is worthy of careful discussion.(3) worthwhile 值得花时间/精力的It is worthwhile to do/ doing ...3. think highly of 看重;器重speak highly of _________________4. serve as 当,担任,充当例句:He served as a captain in the army. 他曾是一名陆军上尉。 The room can ________________________________ 这间房子可作书房用。When you sleep in the open, old newspapers can _________________________. 在野外睡觉时,旧报纸可当毛毯用。 注:类似的短语:work as 当……;act as 担任……的职务。真题:We went to Canada to travel and my cousin ____ as our guide. (05,湖南)A. played B. showed C. acted D. performed5. value n. ________________ adj. ________________, 意为_________________________例句: As a poor girl, I know the value of a dollar. ________________________...