1. [单选题]8．—How about _________ charity show?—I should say it was _________ success．
A. the ;a
B. the;/
C. a ;a
D. a;/
2. [单选题]I first met Lisa three years ago when we ________ at a radio station together.
A. have worked
B. had been working
C. were working
D. had worked
3. [单选题]芯片是电脑、“智能”加点的核心部件，它是用高纯度硅(high purity silicon)制成的。下面是生产单质硅过程中的一个重要反应：SiO2 + 2C ==== Si +2CO↑，该反应的基本类型是
A. 化合反应(combination reaction)
B. 分解反应
C. 置换反应
D. 复分解反应
4. [单选题]17．
A. run
B. eat
C. drink
D. sleep
5. [单选题]Sally is a student of Grade Eight． She always works hard (11 ) her lessons． English is her favorite (12 )． She thinks that it is as (13 ) as Chinese， but it's more difficult (14 ) than Chinese． For example， a lot of English words and expressions are hard to remember．She often carries her walkman with her， and she spends time (15 ) English tapes every day．It (16 )her listening better and better．Sally is (17 ) student in her class． She often helps her classmates (18 ) their lessons after (19 ) her homework． Most of her classmates like t0 (20 ) her when they have ques- tions． They think she is smart and outgoing．
B. in
C. at
D. for
E. of
