unit3重点讲解
1.“看起来”两不“像”:look like, look the same
as you can see, in some ways we look the same, and in some ways we look different.就像你看到的那样，在某些方面我们看起来一样，在某些方面我们看上去不同。
look like, look the same都可以表示“看起来像”之意。
（1）look like是由“不及物动词look+介词like”构成的动词词组，后面需接一个宾语。若表示“某人（物）十分相像”可用very much修饰。
lily looks like your younger sister very much. 莉莉看上去很像你妹妹。
（2）look the same是一个固定词组，表示主语所包含的两个或两个以上的事物看起来一样，主语一定是复数，其动词look不可能出现looks形式。look the same后面不再接其他成分，也不能用very much修饰。
are you twins? you look the same. 你们是双胞胎吗？你们看起来一样。
【练习】
（1）lucy looks _______her mother.
a: same b: the same c: as d: like
（2）although they are sisters, they don"t _______ ________ ________（看起来一样）.
2.all, both“都”不同
we both have black eyes...我们都有黑色的眼睛......（p33）
both 与all的用法相似。both强调两者都，而all则强调三者或三者以上都。
both可用作形容词、代词和副词，其用法如下：
词条区别例句
代词“两者，双方，两人”，与of连用both of them are teachers.他们两都是老师。
both of the students are here.=both the students are here.
=the students are both here. 两个学生都在这儿。
副词“两者，两者都”，位于行为动词之前，be动词、助动词、情态动词之后。they both went shopping last sunday. 上周日他们俩都去购物了。
the twins are both students.这对双胞胎都是学生。
形容词“两者的，双方的”she wants both dictionaries.这两本书她都想要。
both the answers are wrong.这两个答案都是错的。
连词“......和....都”“既......又......”，用于连接两个并列成分；连接两个并列主语时，谓语动词用复数。he speak both english and french. 他既会说英语，也会说法语。
both you and i were wrong.你和我都错了。
【练习】
1、选词填空（all/both）
（1）_________of the twins study in no.1 middle school.
（2）_________tom and john came over to our house for dinner.
（3）_________the students in his class went to the park last sunday.
2、那对双胞胎都喜欢运动。
they twins ________ ________ sports.
3、至于其他科目，我全都喜欢。
as for other subjects, i likes them ________.
3.“无论如何”however
however, we both enjoy going to parties. 不过，我们两个都喜欢参加聚会。（p33）
