The price system is used to______.
A．reflecting the demands of consumers and the respondence of the producers
B．expressing the mechanism of the market-oriented economy
C．regulating the balance of demand and supply
D．regulating the number of producers

单项选择题Tim ( ) a great number of different places in Australia.A.already has visitedB.has already visitedC.has visited alreadyD.has ever visited

未分类题The Apolice finally Bcaught up with the man Cwhom they thought was the Descaped prisoner.此题为多项选择题。

单项选择题Mother asked me to cut the meat () small pieces.A. toB. onC. intoD. of

未分类题【T11】A. UNTIL B. GROUND C. AS A. WEREN'T DISCOVERED【T7】______THE 1930S B. A SWISS WRITER WROTE THAT THE NAZCA LINES WERE DESIGNED【T8】______A LANDING PLACE FOR UFOS. C. SEEN FROM THE【T9】______, IT LOOKS LIKE LINES SCRATCHED INTO THE EARTH. IN THE DESERT OF PERU, 300 KILOMETERS FROM LIMA, ONE OF THE MOST UNUSUAL ARTWORKS IN THE WORLD HAS MYSTIFIED(迷惑)PEOPLE FOR DECADES.【T10】______BUT FROM HIGH ABOVE, THESE MARKS ARE HUGE IMAGES OF BIRDS, FISH, SEASHELLS, ALL BEAUTIFULLY CARVED INTO THE EARTH. THE NAZCA LINES ARE SO DIFFICULT TO SEE FROM THE GROUND THAT THEY【T11】______, WHEN PILOTS SPOTTED THEM WHILE FLYING OVER THE AREA. IN ALL, THERE ARE ABOUT 70 DIFFERENT HUMAN AND ANIMAL FIGURES ON THE PLAIN, ALONG WITH 900 TRIANGLES, CIRCLES, AND LINES. RESEARCHERS HAVE FIGURED OUT THAT THE LINES ARE AT LEAST 1,500 YEARS OLD, BUT THEIR PURPOSE IS STILL A MYSTERY.【T12】______HOWEVER, IT WOULD PROBABLY BE VERY TRICKY TO FIND A SPACESHIP IN THE MIDDLE OF PICTURES OF DOGS AND MONKEYS.

未分类题【T7】A. UNTIL B. GROUND C. AS A. WEREN'T DISCOVERED【T7】______THE 1930S B. A SWISS WRITER WROTE THAT THE NAZCA LINES WERE DESIGNED【T8】______A LANDING PLACE FOR UFOS. C. SEEN FROM THE【T9】______, IT LOOKS LIKE LINES SCRATCHED INTO THE EARTH. IN THE DESERT OF PERU, 300 KILOMETERS FROM LIMA, ONE OF THE MOST UNUSUAL ARTWORKS IN THE WORLD HAS MYSTIFIED(迷惑)PEOPLE FOR DECADES.【T10】______BUT FROM HIGH ABOVE, THESE MARKS ARE HUGE IMAGES OF BIRDS, FISH, SEASHELLS, ALL BEAUTIFULLY CARVED INTO THE EARTH. THE NAZCA LINES ARE SO DIFFICULT TO SEE FROM THE GROUND THAT THEY【T11】______, WHEN PILOTS SPOTTED THEM WHILE FLYING OVER THE AREA. IN ALL, THERE ARE ABOUT 70 DIFFERENT HUMAN AND ANIMAL FIGURES ON THE PLAIN, ALONG WITH 900 TRIANGLES, CIRCLES, AND LINES. RESEARCHERS HAVE FIGURED OUT THAT THE LINES ARE AT LEAST 1,500 YEARS OLD, BUT THEIR PURPOSE IS STILL A MYSTERY.【T12】______HOWEVER, IT WOULD PROBABLY BE VERY TRICKY TO FIND A SPACESHIP IN THE MIDDLE OF PICTURES OF DOGS AND MONKEYS.

未分类题【T8】A. UNTIL B. GROUND C. AS A. WEREN'T DISCOVERED【T7】______THE 1930S B. A SWISS WRITER WROTE THAT THE NAZCA LINES WERE DESIGNED【T8】______A LANDING PLACE FOR UFOS. C. SEEN FROM THE【T9】______, IT LOOKS LIKE LINES SCRATCHED INTO THE EARTH. IN THE DESERT OF PERU, 300 KILOMETERS FROM LIMA, ONE OF THE MOST UNUSUAL ARTWORKS IN THE WORLD HAS MYSTIFIED(迷惑)PEOPLE FOR DECADES.【T10】______BUT FROM HIGH ABOVE, THESE MARKS ARE HUGE IMAGES OF BIRDS, FISH, SEASHELLS, ALL BEAUTIFULLY CARVED INTO THE EARTH. THE NAZCA LINES ARE SO DIFFICULT TO SEE FROM THE GROUND THAT THEY【T11】______, WHEN PILOTS SPOTTED THEM WHILE FLYING OVER THE AREA. IN ALL, THERE ARE ABOUT 70 DIFFERENT HUMAN AND ANIMAL FIGURES ON THE PLAIN, ALONG WITH 900 TRIANGLES, CIRCLES, AND LINES. RESEARCHERS HAVE FIGURED OUT THAT THE LINES ARE AT LEAST 1,500 YEARS OLD, BUT THEIR PURPOSE IS STILL A MYSTERY.【T12】______HOWEVER, IT WOULD PROBABLY BE VERY TRICKY TO FIND A SPACESHIP IN THE MIDDLE OF PICTURES OF DOGS AND MONKEYS.

未分类题【T9】A. UNTIL B. GROUND C. AS A. WEREN'T DISCOVERED【T7】______THE 1930S B. A SWISS WRITER WROTE THAT THE NAZCA LINES WERE DESIGNED【T8】______A LANDING PLACE FOR UFOS. C. SEEN FROM THE【T9】______, IT LOOKS LIKE LINES SCRATCHED INTO THE EARTH. IN THE DESERT OF PERU, 300 KILOMETERS FROM LIMA, ONE OF THE MOST UNUSUAL ARTWORKS IN THE WORLD HAS MYSTIFIED(迷惑)PEOPLE FOR DECADES.【T10】______BUT FROM HIGH ABOVE, THESE MARKS ARE HUGE IMAGES OF BIRDS, FISH, SEASHELLS, ALL BEAUTIFULLY CARVED INTO THE EARTH. THE NAZCA LINES ARE SO DIFFICULT TO SEE FROM THE GROUND THAT THEY【T11】______, WHEN PILOTS SPOTTED THEM WHILE FLYING OVER THE AREA. IN ALL, THERE ARE ABOUT 70 DIFFERENT HUMAN AND ANIMAL FIGURES ON THE PLAIN, ALONG WITH 900 TRIANGLES, CIRCLES, AND LINES. RESEARCHERS HAVE FIGURED OUT THAT THE LINES ARE AT LEAST 1,500 YEARS OLD, BUT THEIR PURPOSE IS STILL A MYSTERY.【T12】______HOWEVER, IT WOULD PROBABLY BE VERY TRICKY TO FIND A SPACESHIP IN THE MIDDLE OF PICTURES OF DOGS AND MONKEYS.

未分类题DISAPPROVAL THAT NOR A. INFLUENCE CHOICES BY VOICING (56)______OF SOMEONE B. INTERCLASS MARRIAGES ARE NEITHER RARE (57)______SHOCKING C. THE FACT (58)______THEY ARE RESTRICTED BY FEWER PREJUDICES THAN THEIR PARENTS THIS IS DUE IN PART TO PARENTAL GUIDANCE. PARENTS CANNOT SELECT SPOUSES FOR THEIR CHILDREN, BUT THEY CAN USUALLY (59)______THEY CONSIDER UNSUITABLE. HOWEVER , MARRIAGES BETWEEN MEMBERS OF DIFFERENT GROUPS (INTERCLASS, INTERFAITH, AND INTERRACIAL MARRIAGES) ARE INCREASING, PROBABLY BECAUSE OF THE GREATER MOBILITY OF TODAY'S YOUTH AND (60)______. MANY YOUNG PEOPLE LEAVE THEIR HOME TOWNS TO ATTEND COLLEGE, SERVE IN THE ARMED FORCES, OR PURSUE A CAREER IN A BIGGER CITY. ONCE AWAY FROM HOME AND FAMILY, THEY ARE MORE LIKELY TO DATE AND MARRY OUTSIDE THEIR OWN SOCIAL GROUP. IN MOBILE AMERICAN SOCIETY, (61)______. INTERFAITH MARRIAGES ARE ON THE RISE PARTICULARLY BETWEEN PROTESTANTS AND CATHOLICS. ON THE OTHER HAND, INTERRACIAL MARRIAGE IS STILL VERY UNCOMMON. IT CAN BE DIFFICULT FOR INTERRACIAL COUPLES TO FIND A PLACE TO LIVE, MAINTAIN FRIENDSHIPS, AND RAISE A FAMILY. MARRIAGES BETWEEN PEOPLE OF DIFFERENT NATIONAL ORIGIN (BUT THE SAME RACE AND RELIGION) HAVE BEEN COMMONPLACE HERE SINCE COLONIAL TIMES.此题为多项选择题。

未分类题MINIMIZES LATENESS AND ABSENTEEISM START TELECOMMUTING PROGRAMS TELECOMMUTING REALITIES AND POPULAR IMAGES TO THE QUIET ADIRONDACK MOUNTAINS A. ENCOURAGING COMPANIES TO (68)______IN ORDER TO REDUCE RUSH-HOUR TRAFFIC AND IMPROVE AIR QUALITY B. A COMPUTER PROGRAMMER FROM NEW YORK CITY MOVES (69)______ C. AN UNDERSTANDING OF THE DIFFERENCES BETWEEN (70)______ D. TELECOMMUTING HELPS KEEP HIGH PERFORMERS ON BOARD, (71)______BY ELIMINATING COMMUTERS, ALLOWS PERIODS OF SOLITUDE FOR HIGH-CONCENTRATION TASKS TELECOMMUTING-SUBSTITUTING THE COMPUTER FOR THE TRIP TO THE JOB-HAS BEEN HAILED AS A SOLUTION TO ALL KINDS OF PROBLEMS RELATED TO OFFICE WORK. FOR WORKERS IT PROMISES FREEDOM FROM THE OFFICE, LESS TIME WASTED IN TRAFFIC, AND HELP WITH CHILD-CARE CONFLICTS. FOR MANAGEMENT, (72)______, AND PROVIDES SCHEDULING FLEXIBILITY. IN SOME AREAS, SUCH AS SOUTHERN CALIFORNIA AND SEATTLE, WASHINGTON, LOCAL GOVERNMENTS ARE (73)______. BUT THESE BENEFITS DO NOT COME EASILY. MAKING A TELECOMMUTING PROGRAM WORK REQUIRES CAREFUL PLANNING AND (74)______. MANY WORKERS ARE SEDUCED BY ROSY ILLUSIONS OF LIFE AS A TELECOMMUTER. (75)______AND STAYS IN CONTACT WITH HER OFFICE VIA COMPUTER. A MANAGER COMES IN TO HIS OFFICE THREE DAYS A WEEK AND WORKS AT HOME THE OTHER TWO. AN ACCOUNTANT STAYS HOME TO CARE FOR HER SICK CHILD; SHE HOOKS UP HER TELEPHONE MODEM CONNECTIONS AND DOES OFFICE WORK BETWEEN CALLS TO THE DOCTOR.此题为多项选择题。

未分类题NO LONGER DIFFERS ISSUING A. GOOD MONEY (62)______FROM BAD MONEY B. MAKE A PROFIT IN COINAGE BY (63)______COINS C. SILVER COINS ARE (64)______IN CIRCULATION LESS THAN 40 YEARS AGO IN THE UNITED STATES, IT WAS COMMON TO CHANGE A ONE-DOLLAR BILL FOR A DOLLAR'S WORTH OF SILVER. THAT IS BECAUSE THE COINS WERE ACTUALLY MADE OF SILVER. BUT THOSE DAYS ARE GONE. THERE IS NO SILVER IN TODAY' S COINS. WHEN THE PRICE OF THE PRECIOUS METAL RISES ABOVE ITS FACE VALUE AS MONEY, THE METAL WILL BECOME MORE VALUABLE IN OTHER USES. (65)______BECAUSE THE SILVER IN COINS IS WORTH MUCH MORE THAN THEIR FACE VALUE. A SILVER FIRM COULD FIND THAT IT IS CHEAPER TO OBTAIN SILVER BY MELTING DOWN COINS THAN BY BUYING IT ON THE COMMODITY MARKETS. COINS TODAY ARE MADE OF AN ALLOY OF CHEAPER METALS. GRESHAM' S LAW, NAMED AFTER SIR THOMAS GRESHAM, ARGUES THAT 'GOOD MONEY' IS DRIVEN OUT OF CIRCULATION BY 'BAD MONEY' . (66)______BECAUSE IT HAS HIGHER COMMODITY VALUE. GRESHAM LIVED IN THE 16TH CENTURY IN ENGLAND WHERE IT WAS COMMON FOR GOLD AND SILVER COINS TO BE DEBASED. GOVERNMENTS DID THIS BY MIXING CHEAPER METALS WITH GOLD AND SILVER. THE GOVERNMENTS COULD THUS (67)______THAT HAD LESS PRECIOUS METAL THAN THE FACE VALUE INDICATED. BECAUSE DIFFERENT MIXINGS OF COINS HAD DIFFERENT AMOUNTS OF GOLD AND SILVER, EVEN THOUGH THEY BORE THE SAME FACE VALUE, SOME COINS WERE WORTH MORE THAN OTHERS AS COMMODITIES. PEOPLE WHO DEALT WITH GOLD AND SILVER COULD EASILY SEE THE DIFFERENCE BETWEEN THE ' GOOD' AND THE ' BAD MONEY. GRESHAM OBSERVED THAT COINS WITH A HIGHER CONTENT OF GOLD AND SILVER WERE KEPT RATHER THAN BEING USED IN EXCHANGE, OR WERE MELTED DOWN FOR THEIR PRECIOUS METAL. IN THE MID-1960S WHEN THE U.S. ISSUED NEW COINS TO REPLACE SILVER COINS, GRESHAM' S LAW WENT RIGHT IN ACTION.此题为多项选择题。

单项选择题which of the following genre films did jaws belong?A. A western film.B. A science fiction film.C. A suspense pictureD. A horror film.

单项选择题which of the following about the north region in canada is not true?A. People in this region depend only on arts and crafts for living.B. The north has rich oil and gas deposits.C. The north is a scarcely populated area of ice and oceans.D. Most of the inhabitants are Aboriginal people.

单项选择题which of the following states refused to participate in the constitutional convention?A. Rhode Island.B. Maryland.C. New York.D. Virginia.

单项选择题Tired of the cold weather, Mr. and Mrs. Smith are consideringto the south.()A. to moveB. movingC. moveD. to be moving

单项选择题He is fortunate to( )by the Beijing University.A.to admitB.being admitted toC.be admittedD.be admitted