________ Yao Ming has retired from the NBA, the pleasure we have got by watching him play basketball at home and abroad will last long.
| A．While | B．When | C．As | D．Since |
She had no idea how it _____ that her husband met with trouble again.
| A．came up | B．came about | C．came out | D．came across |
Talking about buying computers, I prefer a computer less than 8,000 yuan to ______ over the amount.
| A．this | B．it | C．that | D．one |
第二部分：英语知识运用（共45分）
第一节：单项填空（共15小题；每小题1分，满分15分）
_______ good knowledge of several languages is essential to _____ study of comparative literature because without it one can read books only in translation.
| A． A; the | B．A; / | C．The; the | D．/; the |
She had just finished her homework ______ her mother asked her to practise playing the piano yesterday.
| A．when | B．while | C．after | D．since |
The professor got a disease in blood for the _______ of fresh vegetables and fruit.
| A．snake | B．lack | C．ignorance | D．minority |