教师资格考试中学英语知识点讲解七

【词条1】worth

【点拨】worth为形容词，意为 值得 的；有 价值的 ，一般只作表语，后可接名词、代词或动名词，不接不定式，也不接被动语态。如：

Each of these stamps is worth a penny.

His suggestion is worth considering.

【拓展】

1. worthy为形容词，意为 值得的，有价值的 ，常作定语或表语。后常跟of， 可接名词或动名词，也可接动词不定式。如：

They are not worthy of being chosen.

They are not worthy to be chosen.

2. worthwhile 为形容词，意为 值得干的，有价值的 。It s worthwhile doing / to do ... 值得做 。如：

It s worthwhile asking / to ask him to join the club.

【词条2】involve

【点拨】involve意为 包括，包含 。如：Winning this game involves both skill and patience.

【拓展】involve还可意为 牵涉，牵连 。常用作结构involve in 使牵连进去 。如：

Don t involve yourself in unnecessary expenses.

【词条3】focus

【点拨】focus为名词，意为 焦点，集中点 。常用短语和结构有：be the focus of attention成为关注的焦点；The focus of sth. is on sth. 的焦点是 。如：

The university students employment is now the focus of attention.

【拓展】focus还可用作动词，意为 把注意力集中在 上 ，常用搭配 focus on / upon sb. / sth. ， 意思与concentrate on相同。如：

You d better focus on your study for the exam is coming.