01
cross, across & through
【说词】
1.It took them a few weeks to cross the sea.
2.Can you swim across this river?
3.The sunshine comes in through the window.
【解语】
◆cross作动词，意为“越过；横过”，相当于go/walk across，如例句1。
◆across作介词，强调“通过某一平面”，如例句2。
◆through也作介词，强调“通过某一个三维空间”。如例句3。
【练习】
选用cross, across或through完成句子。
1.I lost my key, so I had to get into the room ____the window.
2.You must look both ways before you ____ the street.
3.Go ____ the bridge over the river, and you’ll see the park.
【参考答案】
1.through
2.cross
3.across
02
such & so
【说词】
1.There is no such thing as a free lunch.
2.I’m so glad to see you, Dr. Smith.
3.There are so many people in the hall.
4.It was such an exciting game. = It was so exciting a game.
5.It’s such nice weather that I’d like to take a walk.
【解语】
◆such作限定词，可修饰名词，如例句1。
◆so作副词，可修饰形容词或副词，如例句2；当名词前有many, much, few, little等表示数量的词语时，只能用so来修饰它们，如例句3。
◆修饰单数可数名词时，可用“such + a / an + adj. +n.”结构或“so + adj. + a / an + n.”结构，如例句4；当名词是不可数名词或复数名词时，必须用“such + adj.+ n.”结构，如例句5。
【练习】
选用such或so填空。
1.We decided to go swimming in ____ hot weather.
2.I can't play with you because I have ___ much homework to do.
3.He was ____ young that he couldn’t join the club.
4.She is ____ a kind girl. We all like her.
5.It’s ____ a long way from here.
【参考答案】
1.such
2.so
3.so
4.such
5.such
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