[单项选择]In the United States educational system, intermediate school is the ______ stage between the primary grades and high school.
A. traditional B. transitional C. transmission D. transient

[单项选择]The educational system in the United States is based on________.
A. the Federal Government
B. the individual school
C. the respective state
D. the local communities

[单项选择]The United States court system is characterized by ______ hierarchies: there are both state and federal courts.
A. double
B. complex
C. simplex
D. dual

[简答题]The economic system of the United States is principally one of private ownership. In this system, consumers, producers and government make economic decisions on a daily basis, mainly through the price system. The dynamic interaction of these three groups makes the economic function. The market’s primary force, however, is the interaction of producers and consumers; hence the “market economy” designation. 　　As a rule, consumers look for the best values for what they spend while producers seek the best price and profit for what they have to sell. Government, at the federal, state, and local level, seeks to promote public security, assure reasonable competition, and provide a range of services believed to be better performed by public rather than private enterprises. 　　Generally, there are three kinds of enterprises: single-owner operated businesses, partnerships and corporations. The first two are important, but it is the latter structure that best permits the amassing of large sums of

[单项选择]

The United States is a confederation of states. Each state has the (1) to make laws with regard to the state. (2), based on public opinion, states can (3) policies regarding education, and they may (4) a state income tax; they also determine the speed (5), housing codes, and the drinking age.
In most parts of the United States, you (6) be 21 years old to buy alcohol in a liquor store, bar,(7) restaurant. In some states you may buy beer in a grocery store. If a store sells alcohol to a minor, the (8) of the store is usually (9) a large sum of money. (10) , many areas have an open-container law, (11) means that people may not drink alcohol on the street or in a car. Anyone (12) with an open container of alcohol may be arrested.
(13) , with all of these laws, the (14) of alcohol is a serious (15) in the United States and Canada. Drinking on college campuses, (16) there are many underage drinkers has (17) greatly. In fact, alcohol sales have gone up (18) the legal dri
A. Nevertheless
B. Anyway
C. Moreover
D. Therefore

[单项选择]The United States is a confederation of states．Each state has the (26) to make laws with regard to the state． (27) , based on public opinion，states can (28) policies regarding education, and they may (29) a state income tax; they also determine the speed (30) , housing codes and the drinking age．
In most parts of the United States, you (31) be 21 years old to buy alcohol in a liquor store, bar (32) restaurant．In some states you may buy beer in a grocery store．If a store sells alcohol to a minor,the (33) of the store is usually (34) a large sum of money．
(35) many areas have an open-container law, (36) means that people may not drink alcohol on the street or in a car．Anyone (37) with an open container of alcohol may be arrested．
(38) with all these laws, the (39) of alcohol is a serious (40) in the United
A. can
B. shall
C. may
D. must