问题
单项选择题
意向性震颤是指（）
A.静止时震颤表现明显，而在运动时减轻，睡眠时消失
B.震颤在休息时消失，动作时发生，愈近目的物愈明显
C.触摸肌肉，坚实感，伸屈肢体时阻力增加
D.两组拮抗肌交替收缩引起的不自主动作
E.骨骼肌受到外力牵拉时产生收缩反应
答案
参考答案：B
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意向性震颤是指（）
A.静止时震颤表现明显，而在运动时减轻，睡眠时消失
B.震颤在休息时消失，动作时发生，愈近目的物愈明显
C.触摸肌肉，坚实感，伸屈肢体时阻力增加
D.两组拮抗肌交替收缩引起的不自主动作
E.骨骼肌受到外力牵拉时产生收缩反应
参考答案：B
From my second grade on, there was one event I feared every year: the piano recital(独奏演唱会). A recital _____I had to practice a boring piece of music and perform before strangers. Each year I _____ask my father if I could skip the recital “just this once”. And each year he would shake his head, muttering(嘀咕) _________about build self-confidence and working toward a ________.  So it was with really great______that I stood in church one recent Sunday, video camera in hand, and ______my 68-year-old father sweating in his shirt ______rising to play the piano in his very first recital. My father had longed to play music since childhood, but his family was poor and couldn’t _________lessons. He could have gone on regretting it, _______too many of us do. But though he was rooted in his past, he wasn’t ________there. When he retired three years ago, he _____ his church music director to take him as a student. For a moment after my father sat down at the keyboard, he ______stared down at his fingers. Has he forgotten the ______? I worried, remembering those split seconds______ago when my mind would go blank and my fingers would _______. But then came the beautiful melody(旋律)，from the _____fingers that once baited(装饵于) my fishing lines. And I______he had been doing what music teachers always stress:___ _____the music and pretend the others aren’t there. “I’m ________of him for starting something new at his age,” I said to my son Jeff. “Yeah, and doing it so______,” Jeff added. With his first recital, my father taught me more about courage and determination than all the words he used those 30-plus years ago.
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