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【单选题】
对于静止性震颤,下列描述哪种错误的是A.
静止及放松
B.
情绪激动时加重
C.
入睡后消失
D.
常伴有肌张力降低
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【单选题】Her ______ is so sweet that we all like to listen to her song. [ ]
A.
name
B.
picture
C.
clothes
D.
voice
【单选题】听力原文： The sound of birds can be divided into 3 types including singing, crying and voice imitating. Singing is normally a continuous multi-syllable melody uttered by the birds under the control of sex...
A.
Singling, echoing and crying.
B.
Singing, echoing and voice imitating.
C.
Echoing, crying and voice imitating.
D.
Singing, crying and voice imitating.
【单选题】Who was Clarence Nash?
A.
A cartoonist.
B.
A writer.
C.
A film maker.
D.
The man who made the voice for Donald Duck.
【单选题】金属应变片和半导体应变片主要区别描述错误的是（）
A.
金属应变片主要利用压阻效应
B.
金属应变片主要利用导体几何尺寸变换引起电阻变化
C.
半导体应变片主要利用电阻率变化引起电阻变化
D.
半导体应变片相比金属应变片的灵敏度高，但非线性误差大。
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