Passage Three.
听材料,回答下列问题
A.It resembles the biological virus. B.It works the same way as the human virus. C.It influences the human as the biological viruses do. D.It spreads to people who use the infected computers.
参考答案:
答案解析:
Passage Two.听材料,回答下列问题
Passage Two.听材料,回答下列问题A.They share certain traditional customs. B.They share ce