22、The financial crisis has put the world economy in a difficult        .

A．occasion          B．condition           C．evaluation           D．situation

21、Some of the exercises appear to be       ones that you have done, but after taking       

second look, you will find that they are different.

A．/; the        B．the; the            C．the; a           D．/; a

20、As most of their houses were badly damaged after the earthquake, many people had to be     

in a stadium.

A．put away         B．put out          C．put up           D．put off

19、Aluminum（铝）isn’t found free in nature, owing to its always          with other elements, most commonly with oxygen.

A．being combined                              B．having combined

C．combine                                      D．combined

18、The beautiful mountain village        we spent our holiday last year is located in        

is now part of Guangxi.

A．which; where         B．where; what        C．that; what         D．when; which

17、       one has a child will one realize how great one’s parents are.

A．Until         B．Until not           C．It is not until         D．Not until

16、—Who has made a mess in my room?

—Who else        it but your naughty son?

A．could do                                      B．could have done

C．should do                                     D．should have done

15、Recently our school has introduced new personnel evaluating system with less emphasis on age         .

A．and more on ability                                      B．than more on ability

C．and more ability                                         D．than ability

14、Women’s earnings are well below men’s         educational differences that are decreasing between the two sexes.

A．in favor of          B．in case of          C．in terms of               D．in spite of