部分容积效应可以通过下述方法抑制()。
A.减少层厚
B.加大FOV
C.全矩阵采集
D.改变频率编码方向
E.增加平均次数
参考答案:A
下列哪项不是中毒型菌痢的临床特征()
A.急性高热,反复惊厥,昏迷
B.腹痛、腹泻明显
C.迅速发生休克,呼吸衰竭
D.大便常规检查发现大量白细胞
E.脑脊液检查正常
The father as well as his three children skating on the frozen river every Sunday afternoon in winter .
A.go
B.are going
C.goes
D.went