在Java中，属于整数类型变量的是 ( )
A．single
B．double
C．byte
D．char
参考答案：C
_______ for months to find a job as a cartoon maker, John finally took a position at a local advertising
agency. [ ]
A. Struggling
B. Struggled
C. To struggle
D. Having struggled
美国"9.11"事件发生后引起的全球股市下跌的风险属于（）。
A.系统性风险
B.非系统性风险
C.信用风险
D.流动性风险
