NAC's (Network Access Control) role is to restrict network access to Only compliant endpoints and (66) users. However, NAC is not a complete LAN (67) solution; additional proactive and (68) security measures must be implemented. Nevis is the first and only comprehensive LAN security solution that combines deep security processing of every packet at 10Gbps, ensuring a high level of security plus application availability and performance. Nevis integrates NAC as the first line of LAN security (69). In addition to NAC, enterprises need to implement role-based network access control as well as critical proactive security measures — real-time, multilevel (70) inspection and microsecond threat containment.

（68）处填（）。

A．constructive

B．reductive

C．reactive

D．productive

根据汉语完成英语句子

1.  滑雪是让你全身运动的另一种方式。

     Skiing is_____ _____ _____ _____ your whole body.

2. 你应该少吃东话多运动。

    You should _____ _____ _____and _____ _____ _____.

3. 如果你想保持健康，你应该多吃水果和蔬菜。

     If you want to _____ _____, you should eat more fruit and vegetables.

4.他们搬到了台湾。

    They _____ _____Taiwan.