使希腊文明与古老的东方文明结合，开启历史上希腊化时代的战争是[ ]
A．亚历山大东征
B．希波战争
C．八国联军入侵中国
D．十字军东征
答案：A
chromosome banding (染色体分带)
The computer system（）suddenly while he was searching for information on the Internet.
A.broke down
B.broke out
C.broke up
D.broke in
