The World’s Cultural Heritage教案

 key: a
(5) some areas are almost completely covered in weeds, causing serious damage. (lines3-5, para 2. part2) 部分山洞因受到雨水的侵蝕和空氣接觸，損失嚴(yán)重。
causing serious damage 是現(xiàn)在分詞作結(jié)果狀語(yǔ)。
eg ① he dropped the plate, breaking it into pieces.
    ② the best players have gone off to the big clubs, leaving them the dross.
【例題】
① (山東) oil prices have risen by 32% since the start of the year, _____a record us867.65 a barrel on april.                                          (key: b)
a. have reached   b. reaching        c. to reach     d. to be reaching   
② (nmet1998) european football is played in 80 countries, _______ it the most popular sport in the world.                                                      (key: a) 
a. making         b. makes         c. made           d. to make  
 (6) this is a very serious matter and the chinese academy of science is trying to raise public awareness about it. (lines1-3, para 5, part2) 形勢(shì)相當(dāng)嚴(yán)峻，中國(guó)科學(xué)院正在努力喚醒國(guó)民的（保護(hù)）意識(shí)。
raise/increase public awareness喚醒民眾意識(shí)
(7) they are a precious part of our cultural heritage —it is of vital importance that we do something. (lines5-7, the last para part2)
它們是我們文化遺產(chǎn)中極其寶貴的部分—因此我們采取行動(dòng)就顯得尤其重要。
 “of + 名詞”，作用相當(dāng)于形容詞。常見(jiàn)的名詞有use, importance, help, value等。
  eg ① it’s of great importance (=very important) to teach the children about road safety.
② you will find this map of great value in helping you to get around the city.
3. listening
(1) ask ss to listen to part 1 and finish the following table.
time what happened
in 1929 
in 1937 
in 1949 
in 1987 
suggestedanswers:time what happened
in 1929 some prehistoric bones were discovered.
in 1937 japan invaded china and the excavations were stopped.