一、单项选择（共15小题；每小题1.0分，满分15分）
In ____ 1980s, great changes have taken place in ____ China.
| A．/; the | B．the; / | C．a; / | D．the; the |
Studies show that office workers are more ______to suffer from backache because they always sit before computer screens for long hours.
| A．surely | B．likely | C．probable | D．possible |
. She_____ Japanese when she went to Japan for holiday. Now she can speak it freely.
| A．picked up | B．turned up | C．made up | D．took up |
26. People are not allowed ______freely at the meeting and they don’t allow ______either.
| A．talking; to smoke | B．to talk; to smoke |
| C．talking; smoking | D．to talk; smoking |
Traditional works of art from different provinces ______at the culture show of the 2010 Shanghai World Expo.
| A．are displaying | B．is displaying |
| C．are being displayed | D．is being displayed |
一Professor Li, ______the student start at once or wait a while?
一At once.
| A．will | B．shall | C．can | D．may |