《2026年点金训练精讲巧练高中英语选择性必修第二册外研版》

多义词汇专练
cast：A. v. 选派(角色) B. v. 投射(光、影子等) C. v. 向……投以(视线、笑容等) D. n. 全体演员
①The setting sun cast long shadows across the field. B
②She was cast as the female lead in the play due to her outstanding acting skills. A
③The cast of the play was made up of experienced professionals. D
④The teacher cast an encouraging smile at the nervous student. C

答案： ①B ②A ③D ④C

it 作形式主语
语法感知
①It is difficult to get there before dark.
②It was his duty to attend to this matter.
③It takes a lot of effort to recover the system.
④It’s no use doing a lot of work without thoughtful planning.
⑤It was very difficult getting everything ready in time.
⑥It is clear that the chosen pattern is not the correct one.
当句子的主语是不定式、动名词或主语从句时，常常用 it 作形式主语，而把真正的主语移到句子后部。用 it 作形式主语的好处是避免句子由于主语太长而显得头重脚轻。句①②③中，it 作不定式的形式主语；句④⑤中，it 作动名词的形式主语；句⑥中，it 作主语从句的形式主语。

答案： 不定式；动名词；主语从句