单选题 Directions: In this section you will hear three short passages. At the end of each passage, you will hear some questions. The passages and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C, and D. Then mark the corresponding letter on the ANSWER SHEET with a single line through the center. {{B}}Passage One{{/B}}

【正确答案】 C

【答案解析】[听力原文]21-23 In the United States, the creation of money and other functions associated with a central bank are controlled by file Federal System. In 1913, Congress passed the Federal Reserve Act, dividing the country into 12 districts with a Federal Reserve Bank in each. These banks in fact constitute a central banking system, which handles transactions, coordinates and controls commercial banks, and helps regulate the nation's money supply. There are. three major types of banks in the United States--savings banks, investment hanks, and the commercial banks. There are also other types of banks, which are distinguished by the nature of their services or by the uniqueness of their organization. These include trust companies, central banks, and government - operated banks. 21. When did the Congress pass the Federal Reserve Act?