《2025年新课程同步练习册九年级英语上册外研版》

考点2 join in 参加(某种活动)；加入
一感悟 读句子感悟用法
* Let's call *Wonders of the World* and join in the discussion. 我们给《世界奇观》节目打电话，加入讨论吧。(教材·P2)
* Why didn't you join in/take part in the talk last night? 昨晚你为什么没参加座谈会呢？
* We invite you to join us on an amazing journey of English learning. 我们邀请您加入我们的一个奇妙的英语学习之旅。
二探究 抓要点探究归纳
(1)join 侧重指加入某团体、组织、人群等，并成为其中的一员。join sb.(in sth.)表示“和某人一起(做某事)”。
(2)join in 表示参加某种活动，后接名词或动名词形式，可与take part in互换。
三运用 多维度灵活运用
(1)我们自从加入同一个俱乐部就成了好朋友。
We have been good friends since we joined the same club.
(2) The students are happy to join in the sports meeting. (同义句转换)
The students are happy to take part in the sports meeting.

答案： 二探究
(2)take part in 三运用
(1)joined the same
(2)take part in

考点3 be sure 确信；肯定
一感悟 读句子感悟用法
* Hmm, I've never seen it, so I'm not sure I agree with you. 嗯，我从来没见过它，所以我不确定我会同意你的观点。(教材·P2)
* I'm sure that they are in the library. 我确定他们在图书馆。
* They are sure of winning the game. 他们有把握赢得比赛。
二探究 抓要点探究归纳
(1)be sure 表示“确信；肯定”，其后可以接从句，结构为“be sure + that 从句”，that 在口语中可以省略。
(2)be sure of/about(doing) sth. 意为“对(做)某事有把握；确信(做)某事”。
(3)be sure to do sth. 意为“务必做某事；肯定做某事”。
三运用 多维度灵活运用
(1)—You are going to get much exercise. Are you C that?
—Of course. I promise to keep it.
A. proud of
B. thirsty for
C. sure about
(2)我坚信我们的国家会越来越强大。(汉译英)
I’m sure (that) our country will be/become stronger and stronger.
(3)She's not so sure of finishing (finish) her homework tonight.
(4)Be sure not to forget (forget) these new words.

答案： 二探究
(1)省略 三运用
(1)C
(2)I’m sure (that) our country will be/become stronger and stronger.
(3)finishing
(4)to forget