Other alternative input devices include single switch devices, devices that track head movements, and alternative keyboards for persons with mobility impairments.

其它可选择的设备包括单一切换设备、跟踪头部移动的设备，和用于行动困难的人可选择的键盘。

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Nevertheless,the victory means ANC head Jacob Zuma is on track to be chosen South Africa's next president when the new parliament convenes in two weeks (May 6).

VOA: standard.2009.04.25

U.S. Speedskating has endured a difficult season that began with a dozen national team members accusing short track head coach Jae Su Chun of physical, emotional and verbal abuse.

NPR: Gabel Resigns From Committees After Abuse Claims

One volunteer coach that day, Bubba Thompson, head track coach at University of Texas, takes responsibility for putting Mr. Tyson in the anchor spot.

WSJ: Social Media

"The cataloguing that I mentioned, frankly, that's one person in our administrative offices who is really just keeping track in his head about things that may have taken place, " Fleischer told reporters Friday.

CNN: Clinton's chief of staff calls White House over vandalism reports