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问题 单项选择题 B1型题

进行不稳定随意运动之前，身体预先出现某些肌肉的收缩活动和体重的转移称为（）

A.躯体感觉系统

B.视觉系统

C.前庭系统

D.骨骼肌系统

E.姿势控制中的预备性活动

答案

参考答案：E

填空题

掘进工作面规定迎脸挂网防护范围内，未防护面积达到（）m2及以上的，属于较严重“三违”。
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单项选择题

Spyware and other forms of malware are the biggest online threat to your computer's （） nowadays. These malicious （） which get to your PC through freeware, shareware, commercial sites, deceptive pop-ups or in any other way, can record your surfing habits and sites you visit, share your personal information with their partners. Any personal （）, when in wrong hands, can leave you a victim of an "identity theft" by steeling your credit （）details, birth records and other （） information.

Spyware and other forms of malware are the biggest online threat to your computer's （） nowadays.

A. reliability

B. security

C. capability

D. efficiency
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