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1) What (1) pron. (疑问代词) 什么 What happened next? 后来怎么样了呢? What do you want? 你要什么? (2) pron. (连接代词，引导名词性从句等) 所……的事(或人) What was once regarded as impossible has now become a reality. 过去认为不可能的事现在已成为现实。The city is not what it used to be. 这个城市不再是先前的模样了。 2) 辨析：what与which (1) which既可引导定语从句，又可连接名词性从句；而what不可引导定语从句。 (2) which，what同为名词性从句的连接代词时，都可在所连接的名词性从句中充当主语或宾语，其区别在意思上。what强调“内容”，而which强调从已知的、确定的范围中做出选择。This river, which flows through London, is called the Thames. (which引导非限制性定语从句)这条流经伦敦的河，叫泰晤士河。What book are you going to read? 你要读什么书? Which book are you going to read, this one or that one? 你要读哪一本书，这本还是那本? 注意：以下句子中常用what。(1) What season do you like best? 你最喜欢什么季节? (2) What day is today? 今天是星期几? (3) What's the date today? 今天是几号? 联想：somewhat adv. 稍微，有点whatever pron. 无论什么；凡是……的东西 拓展：What about…? (用于征求意见时)……怎么样(=How about); what if倘使……将会怎么样；即使……又有什么要紧；尽管……又有什么关系; what for为何目的；为什么what is more而且 3. Why does Sam need to know the time. 为什么Sam需要知道时间？(P. 10 Listen- ing Ex. 2 No.1) need: (1) n. [U] 缺乏，缺少，需要 There is no need for you to be anxious. 你没必要焦虑的。 (2) n. [C]必需品 ￡10 a month will meet my needs. 一个月10英镑可满足我的需要。 (3) v. 需要 This job needs a lot of care, attention and time. 这工作需要花费很多心思和时间。She likes to feel needed. 她喜欢感觉有人需要她。 (4) v. aux. (无时态和人称变化；多用于疑问句和否定句；后接没有to的不定式；need not缩写为needn't)需要，必须 -- Need l go? 我必须去吗? -- Yes, you must. (No, you needn't.)是的，你必须去(不，你不必去)。He need not have come last night. 他昨晚本来没必要来的。(但实际来了) 注意：need not have done表示某一个已经发生的动作实际上不必发生，常译为“不必……也行”等。 (责任编辑：admin) |