01、基数词
“基数词 单数可数名词 ( 形容词)”可构成复合形容词，词与词之间要加连字符。
“基数词 hundred/thousand/million”表示确切数目；hundreds/thousands/millions of表示泛指的数目。表示在某世纪的某个年代或在某人几十岁时，常用逢十的基数词的复数形式表达。
02、序数词
序数词表示顺序，前面一般需加定冠词the，如the first day；序数词可与不定冠词a(n)连用，表示“又一，再一”，如a second time。
03、分数
表示分数时，分子用基数词，分母用序数词。当分子大于1时，分母要用复数形式。
“分数 of 限定词 复数名词”作主语时，谓语动词用复数形式；“分数 of 限定词 不可数名词/单数可数名词”作主语时，谓语动词用单数形式。
经典习题
1.The building has___floors and we live on the___floor.
A.thirtieth;three
B.thirty;third
C.thirty;three
D.thirtieth;third
2.—Food safety has become one of the hottest topics recently.
—Yeah, it receives___Internet hits a day.
A.thousands
B.thousands of
C.thousand
D.thousand of
3.—Don’t give up! Perhaps___hard task needs more of your effort.
—I won’t. I’ll have___second try any way.
A.an;a
B.the;a
C.a;the
D.the;the
4.— Mum,___of the apples___gone bad.
—We’d better eat up the rest as soon as possible.
A.one third; have
B.one thirds; have
C.one third; has
D.first three; has
5.In our city, the number of the teachers___about 2,000, but only about___of them are men teachers.
A.is; seven hundreds
B.are; seven hundred
C.is; seven hundred
D.are; seven hundreds
参考答案：
1-5 BBBAC
代词01、人称代词
人称代词有主格和宾格两种形式。人称代词的主格在句中通常作主语，人称代词的宾格在句中通常作宾语或表语。
02、物主代词
物主代词分为形容词性物主代词和名词性物主代词。形容词性物主代词相当于形容词，常作定语修饰名词；名词性物主代词相当于名词，不能用于名词前，在句中可作主语、宾语、表语等。
03、反身代词
反身代词有单、复数之分。反身代词在句中可作宾语、表语或同位语。反身代词也常用于某些固定搭配中，如enjoy oneself, by oneself等。
04、疑问代词
常见的疑问代词有what, which, who, whose和whom。what意为“什么”，既可单独使用，也可与名词连用；which意为“哪一个，哪一些”，既可指人也可指物；who意为“谁”，在句中可作主语、宾语或表语；whom意为“谁”，在句中只能作动词和介词的宾语；whose意为“谁的”，既可置于名词前作定语，也可单独使用。
05、不定代词
常见的不定代词有 some,any,both,all,Either,none, neither,either,(a)few,(a)little,other(s), another等以及由some-, any-, no-, every-与body, one, thing等构成的复合不定代词。
many, (a) few指代可数名词复数，而much, (a) little指代不可数名词。a few和a little表示肯定含义，而few和little表示否定含义。
some多用于肯定句，但表示建议、请求或期望得到肯定回答时，可用于疑问句；any多用于否定句、疑问句及条件句；由some-和any-构成的复合不定代词的用法跟some和any的用法一样。
both表示“两者都”；all表示“三者都”；either表示“两者中的任何一个”；neither表示“两者都不”；none表示“三者或三者以上的人或物都不”。
注意：形容词修饰复合不定代词时，应放在复合不定代词之后。
经典习题
1. Who will teach ___ math next term?
A. our
B. we
C. us
D. ours
2. After talking happily with my new friend, I gave her my WeChat number and she gave me ___ .
A. her
B. hers
C. herself
D. himself
3. — Did anyone call me when I was out?
— Yes. A man who called ___ Tom.
A. myself
B. himself
C. herself
D. yourself
4. — Pardon please. ___ did you ask to finish the task?
— Them. You have other things to do.
A. What
B. Whom
C. Why
D. Where
5. — What about these two coats, madam?
— ___ of them fits me. Could you show me ___ one?
A. Either; other
B. Neither; another
C. Neither; else
D. Either; another
参考答案：
1-5CBBBB
