39.The word “image” refers to ____.

　　A) picture B) portray C) impression D) similar

　　40. The main idea of the passage is ____.

　　A) There are many Afro Americans who are famous as scientists and inventors

　　B) Many Afro Americans have devoted to American history

　　C) Afro American experience to American history

　　D) Afro American history must be recognized as an important part of American history

　　Part Ⅲ Vocabulary and Structure (20 minutes)

　　Directions: There are 30 incomplete sentences in this part. For each

　　sentence there are four choices marked A),B),C) and D). Choose the one answer that best completes the sentence. Then mark the corresponding letter on the Answer Sheet with a single line through the centre.

　　41.Hardly had the minister finished his statement ____ several reporters raised their hands and put forward a string of questions.

　　A) when B) as C) then D) than

　　42.The impact of this well?known book might not have been so far reaching ____ for Mr.William, who dared to publish it.

　　A) if had it not been C) is it not being

　　B) had it not been D) its only having been

　　43.There were a lot ____ criticisms in the paper than expected.

　　A) of C) of more

　　B) more D) much more

　　44.You shouldn't ____ that last week and you should do it next week.

　　A) have done C) be doing

　　B) do D) have to do

　　45.Your father likes to play golf; he's really enthusiastic ____it.

　　A) by B) about C) with D) on

　　46.They have been waiting for many hours to see the singer, but the airplane must have been ____.

　　A) off time C) ahead of schedule

　　B) on time D) behind schedule

　　47.He insisted that we all ____ in his office at one o'clock.

　　A) be C) would be

　　B) to be D) shall be

　　48.I have not found my book yet. I'm not sure ____ I could have done with it.

　　A) whether C) why

　　B) what D) where

　　49.I left very early last night, but I wish I ____ so early.

　　A) didn't leave C) haven't left

　　B) hadn't left D) couldn't leave

　　50.I'd get it for you ____ I could remember who last borrowed it.

　　A) except that C) if only

　　B) on condition that D) considering whether

　　51.I did not call to make my airline reservation, but I ____.

　　A) should have C) must have

　　B) may have D) shall have

　　52.He is sure that there was a flying saucer over there. If he hadn't seen it himself, he ____ it.

　　A) never have believed

　　B) never did believe

　　C) could never believe

　　D) would never have believed