31． -I guess you are fond of driving．

　　 -Not really．I do it　　　 because I have to get to work each day．

A．generally　 B．exactly　　 C．normally　 D．simply

30．Over the past 30 years，China　　　　 significant changes in comprehensive national strength thanks to the reform and opening-up policy．

　　 A．witnessed　　　 B．were witnessing

C．has witnessed　 D．will have witnessed

29．Hundreds of companies in Shanghai have promised not to lay off employees　　 the global economic crisis．

A．in case of　　 B．in place of　　 C．in favour of　　 D．in spite of

28．It's widely believed that early rising　　　　 good health．

A．turns to　　 B．makes for　　 C．takes up　 D．gets over

27．I have formed a habit of　　　　 some time each day for exercise．

A．setting aside　　 B．keeping up　　 C．turning down　 D．leaving out

26．-Why do you want a new job　　　　 you've got such a good one already?

　 -Well, I'm not satisfied with its working environment．

　　 A．when　　 B．while　　 C．unless　 D．if

25．Premier Wen Jiabao　　　 the importance of seeing China in the light of her development in his speech at University of Cambridge．

A．approved　　 B．devoted　　 C．concluded　 D．stressed

24．A recent survey about“shanzhai”culture was conducted by China Central Television　　 that 50% of the netizens expressed support for it．

A．showed　　 B．to show　　 C．showing　 D．to have shown

23．According to an old proverb，a red sky at night often　　　　 fine weather the next day．

A．indicates　　 B．impresses　　 C．obtains　 D．exposes

22．Mary asked me to repeat　　 telephone number　　　 second time so that she could write it down．

A．the：the　　 B．the；a　　 C．a；the　 D．a；a