46、 __________ myself，I can only say that I don’t know．
A．Regards as
B．As regards
C．Regards to
D．To regards


47、 In this terrible accident，most people died．Those wh0__________were also badly in-jured．
A．survived
B．lived
C．suspected
D．alived


48、 __________ the advice of his friends，he would not have suffered such a heavy loss in his business．
A．If he took
B．If he should take
C．were he to take
D．Had he taken


49、 Your hair wants__________ ．You’d better have it done tomorrow．
A．cut
B．to cut
C．cutting
D．being cut


50、 __________ a reply，he decided to write again．
A．Not receiving
B．Receiving not
C．Not having received
D．Having not received


51、 It takes more energy to do a job in two minutes than__________ the same job in two hours．
A．to do
B．do
C．will do
D．is doing


52、 What are the__________that distinguish the Chinese from Japanese?
A．characteristics
B．differences
C．features
D．contradictions


53、Is there some__________comer in the club where we can sit and talk by ourselves?
A．special
B．private
C．respective
D．personal


54、 When he arrived at the village，he found__________ the aged and the sick at home．
A．none but
B．anyone but
C．nothing but
D．no other than


55、 I suffered from mental__________ because of stress from my job．
A．damage
B．release
C．relief
D．fatigue