上腔静脉阻塞综合征常见于
A．支气管哮喘B．肺结核C．支气管肺癌D．支气管扩张E．阻塞性肺气肿
参考答案：C
Which of the following statements regarding Eurodollar time deposits is FALSE()
A. Rates are quoted as an add-on yield and are based on a 360-day year.
B. Sometimes the best rates are available in New York City.
C. They are available in Switzerland.
什么是光隔离器？
