24、Companies are struggling to find the right ________ between supply and demand, but it is no easy task．
A．balance B．process C．equality D．pattern（C）
23、On Feb．6, Xi’an – Zhenzhou High – Speed Railway, first high – speed railway in
West China, was put into operation．
A．不填；the B．the; the C．the; 不填 D．不填；不填
22、The woman scientist was so busy that she could hardly time to her children．
A．spend B．devote C．offer D．provide
21、 in the city for thirty years, the old man moved back to the countryside．
A．Having worked B．Working C．To have worked D．To work
20、My mother made a promise I passed the examination, she would buy me an MP4．
A．that B．that if C．if that D．whether
19、--- I’ve told her many times, and she still forgot about it!
--- I understand．It’s true that she be very forgetful sometimes．
A．can B．would C．should D．must
18、She thought impossible to finish so much work in a day．
A．this B．that C．its D．it
17、It is becoming more and more difficult to the problems of traffic in some big cities of our country．
A．deal with B．set up C．put away D．break down
16、--- Why don’t you drive your own car?
--- It at a repair shop．
A．has repaired B．is repaired
C．is being repaired D．will be repaired
15、Several students in our class are considering to the United Kingdom for further study next year．
A．going B．to go C．go D．gone