阅读理解 PASSAGE TWO

问答题 What do the cases of Target, Adobe and eBay in Para. 3 show?

【正确答案】Cyber attack is serious: data breaches are becoming bigger and more common.

【答案解析】[解析] 这三家公司的例子都是为了说明网络攻击的严重后果：资料泄露的普遍性和严重性。

问答题 Why does the author say the task is becoming harder in Para. 7?

【正确答案】Cyber security faces multiple threats: online crime and espionage.

【答案解析】[解析] 第七段第一句说任务很艰巨，第二句话就解释了原因。

问答题 What is the conclusion of the whole passage?

【正确答案】Adequate security protection should be given to cyberspace.

【答案解析】[解析] 结论出自最后一段，由最后一段第一句话可看出，作者希望这些系统有足够的安全保护，否则会受到黑客的攻击。