女,39岁。左耳鸣、耳聋2年。CT如图所示,诊断是()
A.听神经瘤
B.动脉瘤
C.胶质瘤
D.脑膜瘤
E.胆脂瘤
参考答案:A
The bridge ______ 100 years ago. [ ]
A. builds
B. is built
C. was built
D. built
下图中()是电动机单向直接启动控制线路电气原理图。
A.A
B.B
C.C
D.D