阅读下面这两首诗（8分）

菩萨蛮·金陵赏心亭为叶丞相赋

【南宋】辛弃疾

青山欲共高人①语，联翩万马来无数。烟雨却低回，望来终不来。

人言头上发，总向愁中白，拍手笑沙鸥，一身都是愁。

注：①“高人”，指叶衡，即叶丞相，南宋主战派人物，很有才干。

小题1:这首词上片画线句子用怎样的艺术手法？有何作用？请具体分析。（4分）

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小题2: 有人认为“拍手笑沙鸥，一身都是愁”表现出诗人的豁达，有人则说表现的诗人沉重的忧伤。你的看法怎样？为什么？请联系全诗说明。（4分）

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To compete in today’s fast-paced competitive environment, organizations are increasingly allowing contractors, partners, visitors and guests to access their internal enterprise networks. These users may connect to the network through wired ports in conference rooms or offices, or via wireless access points. In allowing this open access for third parties, LANs become (171) . Third parties can introduce risk in a variety of ways from connecting with an infected laptop to unauthorized access of network resources to (172) activity. For many organizations, however, the operational complexity and costs to ensure safe third party network access have been prohibitive. Fifty-two percent of surveyed CISOs state that they currently use a moat and castle’s security approach, and admit that defenses inside the perimeter are weak. Threats from internal users are also increasingly a cause for security concerns. Employees with malicious intent can launch (173) of service attacks or steal (174) information by snooping the network. As they access the corporate network, mobile and remote users inadvertently can infect the network with (175) and worms acquired from unprotected public networks. Hackers masquerading as internal users can take advantage of weak internal security to gain access to confidential information.

（172）是（）

A.venomous

B.malicious

C.felonious

D.villainous