癫痫诊断的有效检查项目是（）
A.腰穿
B.头部CT
C.颅脑MRI
D.脑血管造影
E.脑电图
参考答案：E
Can you tell me______?
A．who is that gentleman
B．that gentleman is who
C．who that gentleman is
D．whom is that gentleman
我国北方平原广阔，多耕地，且以旱地为主______．（判断对错）
