Unit 3 Back to the past Reading & Grammar学案

Language focus

1. (Page 42 Line 2) I feel lucky to have won a place on this trip.

　(Page 43 Line 32) It is believed to have been gradually covered over by sandstorms from AD 200 to AD 400.

【练一练】

(1) He's said ____ abroad, but I don't know which country he studied in.

A. to have studied B. to study C. to be studying D. studying

(2) He's said ____ abroad, but I don't know which country he is studying in.

A. to have studied B. to study C. to be studying D. Studying

(3) It is impossible for anyone ____ these photographs before, for Mr. Newman had them

developed today.

A. having seen B. to have seen C. to see D. seeing

(4) It is impossible for anyone to be (be) lucky and successful all the time.

(5) You were silly to have left (leave) the key in the car.

(6) John Bell is generally considered to have invented (invent) the first telephone in the world.

2. (Page 42 Lines 3-4) Next week we are flying to China, and going to Loulan, which is known as China's Pompeii in the desert.

▶ 作为......出名 be known as sth.

　为某人所知 be known to sb.

　因某事而出名 be known for sth.

【练一练】

(1) What he referred to in his article was known to the general reader.

(2) Obama is known as the first black presidentof the USA.

(3) Switzerland is well known for its high-quality watches.

3. (Page 42 Line 11) Many people were buried alive, and so was the city.

▶ alive adj. 活的，现存的，有生气的，热闹的 （作表语、补足语、后置定语）

(1) The fish is still alive. 表语

(2) To the satisfaction of the little boy, the fish was caught alive. 主语补足语

(3) Among the greatest poet alive now, Levi Tafari's works are the most popular, I think.

后置定语

(4) They managed to stay alive by eating berries and roots.

【辨析】alive, live, living

现场直播 be broadcast(ed) live/live broadcast

所有的生物 all living things 谋生make/earn a living

This is a live fish. She had to steal food to stay alive.

▶ So + be动词/情态动词/助动词+主语，用来表示前面所陈述的情况也适用于后者，意