9．"I don't understand what you are saying，"she said，with a __________ expression on her face．（　　）

A．

puzzling

B．

puzzled

C．

puzzle

D．

puzzlement

8．origins        famous         system         approached     came across
disturbing     novels         puzzles        nearby         by chance
various        throughout     therefore      surrounded     before long
 
51．Festivals and celebrations of all kinds have been held everywhere since ancient times and they have manyorigins，some religious，some seasonal，and some for special people or events．
52．One evening when I sat down at the computer to do some research on great women of China，Icame acrossan article about a doctor called Lin Qiaozhi，a specialist in women's diseases．
53．At that time，hunger was adisturbingproblem in many parts of the countryside，and Dr Yuan Longping saw the great need for increasing the rice harvest．
54．Their balanced diets became such a success thatbefore longWang Peng became slimmer and Yong Hui put on more weight．
55．Mark Twain is best known for hisnovelsset in his boyhood world on the river，such as The Adventures of Tom Sawyer and The Adventures of Huckleberry Finn．
56．As time went by，Charlie Chaplin grew more and more popular as his charming character，the little tramp，became knownthroughoutthe world．
57．After I introduced them to each other，I was very surprised to see that TonyapproachedJulia，touched her shoulder and kissed her on the cheek．
58．How life began on earth is one of the biggestpuzzlesthat scientists found hard to solve．
59．People say that Vancouver is Canada's most beautiful city，surroundedby mountains and the Pacific Ocean．
60．Some theme parks arefamousfor having the biggest or longest roller coasters，others for showing the famous sights and sounds of a culture．

7．           by a strong earthquake，the visitors were cut off from the outside，          water and food shortage．（　�。�

	A．	Hit； facing		B．	Having been hit； faced
	C．	Having hit； facing		D．	Hit； faced

6．_____ more and more students graduating from college，it is harder for them to find suitable jobs．（　�。�

A．

For

B．

As

C．

With

D．

Because

5．Heavy smog has returned to the skies of Beijing after a two-month break，with authorities ________ the pollution will remain due to unfavorable conditions．（　�。�

A．

predicting

B．

predicted

C．

being predicted

D．

to predict

4．be worth doing，stand by，pick up，be located，according to，turn up，all at once，take up，get into trouble，in addition to，
71．The Bank of Chinais locatedin the center of the city．
72．According tothese figures，the company is doing well．
73．You willget into troubleif you drive after drinking．
74．All at once，his name came into my mind．
75．He said he wouldpick uphis daughter in the school at five．
76．What is worth doingis worth doingwell．
77．We'll order two more armchairsin addition toour new table set．
78．They should have arrived at 8：30，but they didn'tturn up．
79．I willstand bywhat I said yesterday．
80．He decided totake upphotography as his career．

3．stand out，end up，is willing to，work out，due to，pay off，respond to，be accustomed to，make sense，in terms of
71．If you keep your car at a speed like that，you willend upin hospital．
72．In terms ofnatural resources，it is one of the poorest countries in Western Europe．
73．Nobodyis willing togo out on such a stormy night．
74．He sat down at his desk towork outthe exact figures．
75．The effortpaid offin the long run．
76．How did herespond tothe news？
77．What one thinks and feels isdue totradition，habit and education．
78．Areyouaccustomed tothe weather here？
79．Among mystery writers，Agatha Christiestands outas a real master．
80．The story you have made doesn'tmake senseto me．

2．pollute    differ   discover    excite   impress   all at once   wealthy   present
62．The government should take action to reduce airpollution．
63．We were greatlyimpressedby the beautiful language of the book．
64．All at once．the sky was covered with dark clouds and a terrible storm hit．
65．As is known to all，Columbus made a greatdiscovery_in 1492．
66．The fans watched the basketball match withexcitement．shouting and screaming all the time．
67．Bill Gates is the secondwealthiestperson in the world according to Forbes ranking．
68．He is looking forward topresentinghis plan for the summer holiday to his classmates．
69．The twins are alike in appearance but quitedifferfrom each other in personality．

1．The Thinker，head in hand，resting his right arm on his left knee，gained its current title when________in Paris in 1890．（　　）

A．

exhibiting

B．

exhibited

C．

was exhibited

D．

being exhibited

20．_____ with his work in the Satellite Launch Site，he could not spare any time to stay with his parents though they are very old．（　�。�

A．

Occupying

B．

To occupy

C．

Having occupied

D．

Occupied