The prefix of the term anesthesia is ____.
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"-graphy" in echocardiography refers to the ____of recording the position and motion of the heart walls.
"Myo" in myocardial denotes ____.
The suffix ____means suture.
下面哪个语句定义了一个名为pageNumber的变量幷赋值为200 ?()
A. var PageNumber=200
B. pagenumber=200
C. var pageNumber=200
D. var int n=200