小升初英语语法难点攻略之结构比较 标签：小升初练习题
<p><strong>考点一： 原级比较一般用 as … as ; not as … as ; the same … as ;</strong></p><p>特殊结构 A is to B what / as X is Y ; A+倍数或几分之几 as + adj. / adv. + as +B.</p><p>The work is not as difficult as you think.</p><p>Air is to us as water is to fish. 我们与空气的关系就像鱼和水的关系。</p><p>This book is twice as thick as that one.</p><p><strong>考点二：比较级常用结构 A ＋比较级 ＋ than + B</strong></p><p>特殊结构：the more … the more (越……越……)； more and more (越来越)</p><p>This question is less difficult than that that question. (比较对象为彼此独立的人或事物)</p><p>Iron is more useful than any other metal. (比较对象具有所属关系， 含有最高级含义)</p><p>The city is becoming more and more beautiful.</p><p><strong>考点三：以拉丁文-ior结尾的含有比较意义的形容词后接to 而不是than. 这些词是：</strong></p><p>superior, inferior , senior , junior , major , minor, anterior, prior(在。。。之前) ,</p><p>posterior (在。。。之后)</p><p>He is three years senior to me.</p><p>This type of computer is superior to that type.</p><p><strong>考点四：最高级用于三者以上的事物之间的比较，所以比较的范围自然是少不了。一般表示地方用介词in; 表示所属关系和人物比较用介词 of. ( 即the +最高级＋in /of …)</strong></p><p>The Yangtze River is the longest river in China, but it is the third longest river in the world.</p><p>The youngest member of the family is most successful.</p><p>Of all forms of energy, electricity is most widely used.</p><p><strong>考点五：在 more … than 结构中， than 有时可看作关系代词，相当于than what…</strong></p><p>There ought to be less anxiety over the perceived risk of getting cancer than exists in the public mind today. (Than = than what…)</p><p>人们不应该像今天这样担心害怕患上癌症。</p><p>There are more wonders in heaven and earth than are dreamt of. ( than=than what…)</p><p>天地间的奇迹比人们所梦想的要多得多。</p><p>The medicine is more effective than is expected.</p><p><strong>考点六：英语中有一小部分表示绝对意义的形容词没有比较级和最高级。</strong>如：</p><p>dead, deaf, empty, total, whole, perfect, complete, right, wrong, equal, daily false, final</p><p>absolute, alone, round, pregnant, square, supreme, unique, straight, eternal, unanimous</p><p><strong>考点七：几组由 “more than ；more … than” 和“no / not ＋ 比较级”等构成的惯用句式及其含义。</strong></p><p>more than 其含义为:“不仅是，非常，十分”等，用法和意义较多。</p><p>more …than 其含义可以是:“与其说……不如说，不是……而是”</p><p>What we are doing today is more than donating some money.</p><p>今天我们所做的不只是捐一些钱。</p><p>Their action was more than justified. 他们的行动是完全有理由的。</p><p>He is more brave than wise. 他有勇无谋。</p><p>The book seems to be more a dictionary than a grammer.</p><p>这本书看起来与其说是一本语法书，不如说是一本词典。</p><p>no more than 强调少，意为“只有，不过，仅仅”</p><p>not more than 客观叙述，意为“不超过”</p><p>He has no more than five dollars on him.</p><p>他身上仅有5美元。(强调少)</p><p>He has not more than five dollars on him.</p><p>他身上带的钱不超过仅有5美元。(强调数额少于5美元)</p><p>no more … than含有消极否定的意思，可译为“A与B都不…，不… 也不”</p><p>not more … than 含有积极、肯定的意思，表示程度上的差异。</p><p>He is no more diligent than you.</p><p>他不勤奋，你也不勤奋。(两人都不勤奋)</p><p>He is not more diligent than you.</p><p>他没有像你那样勤奋。(两人都勤奋，但你更勤奋)</p><p>no less than = as much as 意为：“竟有…之多，多达”强调多</p><p>not less than 意为“不少于，至少”，可观地描述</p><p>no less … than 前后均为肯定，含有惊奇的感情色彩。可译为：“是…是，正是，和 … 一样，多达，应有…之多”</p><p>His son has read no less than 50 English books.</p><p>他的儿子竟然读了50本英文书。(强调多)</p><p>His son has read not less than 50 English books.</p><p>他的儿子读了不少于50本英文书。(不强调多或少)</p><p>The middle-aged man was no less a person than the new minister.</p><p>这位中年人正是新来的部长。</p><p>Her voice is no less sweet than it used to be.</p><p>她的歌声和以前一样甜美。</p>
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