2021高考英語備考單元知識搜索與探究歸納 Unit8 First aid
b. 短語
23.反轉；倒轉 _______ ________
24.急救 _______ _______
25.緊急時分分秒秒都很重要 ________ ________ _________ _________ _________
26.保持鎮靜______ / ________ ________
27.一張……的清單 _______ ________ ________
28.吐出 ______ _______
29.嘔吐 ______ _______
30.被食物噎著 _______ _______ _______ _______
31.叫來救護車 _______ _______ _______ _______
32.陷入恐慌 _______ _______ _______ _______
答案：23.roll over 24.first aid 25.seconds count in an emergency 26.stay/keep calm 27.a list of 28.spit out 29.throw up 30.be choked on food 31.call for an ambulance 32.get in/into a panic
c. 句型
33. we are using new technology so that the cars, taxis, buses and trains we use won’t pollute the air.
=new technology _______ _______ _______ to _______ _______ that the air isn’t polluted by the cars, taxis, buses and trains.
34. if we don’t start right now, we can’t get there before dark.
=________ we start right now, we can’t get there before dark.
答案：33. is being used; make sure34. unless
d. 語法
35. i was very busy at that time. i didn’t help you.
=i ______ _______ _______you if i _______ ________ _______ at that time.
36. i didn’t attend the meeting. i didn’t meet him.
=i______ _______ _______ him if i________ ________ the meeting.
37. he is thin. he eats little.
=he ______ ______fat if he______ more.
答案：35. would have helped; had been free36.would have met; had attended
37. would be; ate
重難聚焦
重點單詞
要點1 witness
【例題】the police want to know whether there was someone who______ the robbery.
a. witnessed b. stared c. looked d. proved
解析:witness“目擊；目睹”；stare“瞪著，盯著看”；look“(有目的地）看”。
答案:a
歸納與遷移
(1）vt.目擊；目睹；為……作證；表明
he witnessed the accident.
他親眼看見那個意外事故。
we witnessed tremendous changes in the city.
我們是這個城市巨大變化的見證人。
none could witness that he was present.
沒有人能證明他在場。
(2）witness to sth./doing為……作證；證實；說明
that she witnessed to seeing the man on the spot was a lie.
她說看見那個人到過現場是個謊言。
what he has done witnesses his rich experience in that field.
他所做的一切證實了他在那個領域豐富的經驗。