Questions 14 ～ 16 are based on the following talk. You now have 15 seconds to read Questions 14 ～ 16. How many people worldwide have been infected with HIV since the start of the epidemic
A. 47 million.
B. 4 billion.
C. 25 million.
D. 44 million.
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权益乘数的高低取决于企业的资金结构：资产负债率越高，权益乘数越小，财务风险越低。 ( )
A. 对
B. 错
What game does the man enjoy
A. Tennis.
B. Swimming.
C. Table tennis.
广泛使用的TCP/IP的体系结构有______层。
Questions 11 ～ 13 are based on the following talk. You now have 15 seconds to read Questions 11 ～ 13. Which university did historian Patrice Higonnet graduate from
A. Stanford university.
B. Harvard University.
C. Massachusetts Institute of Technology.
D. University of Michigan.
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