15．The flowers _________ sweet in the botanical garden attract the visitors to the beauty of nature．

A．smell　　　　　　　 　　　 B．smelling　　　　　　　　 C．smelt 　　　　　　　　　　 　D．to be smelt

14．Microsoft's next major operating system, Windows Vista, looks ________from today's Windows．

A．different 　　　　 　　　 B．differently 　　　　　　 C．difference 　　　　　　 D．differences

13．--- What time do we have to be at the gate?

--- __________ passengers are already boarding．

A．Hurriedly 　　　　　　　 B．Soon 　　　　　　　　　　 C．Immediately 　 　　　 D．Since

12．What`s really needed, according to most researchers in this field, ________ a "killer" application particularly suited for the way DNA computing solves problems．

A．being 　　　　　　　　　　 B．are 　　　　　　　　　　　 C．is 　　　　　　　　　 　　　 D．was

11．In May l999, the Backstreet Boys, sold l, l33, 505 copies of their latest album in its first week in release, _________ it the most albums sold in a week, ever since Sound-Scan began recording sales figures．

A．to make 　　　　　　　　 B．making 　　　　　 　　　 C．that makes 　　　 　　　 D．made

10．--- How are you managing to do your work with an assistant?

--- Well, I ______ somehow ．

　A．get along 　　　　　　 B．come on 　　　　　　　　 C．watch out 　　　 　　　 D．set off

9．---Your job ______ open for your return ．

--- Thanks．

A．will be kept 　　 　　　 B．will keep 　　　　 　　　 C．had kept 　　　　 　　　 D．had been kept

8．______ through the desert, they came out into the Salt Lake Valley, ______ looked beautiful．

A．Pass; which 　　　　　 B．Passed; that 　　 　　　 C．To pass; in which 　 D．Passing; which

7．---We’d like you to start work tomorrow if possible．

---I’m sorry , but I can’t possibly start until Monday ．________ ?

A．Will that be all right　　　　　　 　　 　　　 B．Do you agree with me

C．Is that a good idea 　　　　 D．Do you think I’m right

6．If you want to get help from others, you should try to get your idea ______．

A．clearly 　　　　　　　　　 B．crossed 　　　　　　　　 C．across 　　　　　　　　　 D．understand