重症肌无力所致的上睑下垂的主要诊断依据是（）
A.仰头视物
B.眉毛高耸
C.额部皱纹加深
D.新斯的明试验阳性
E.终日不提举上睑
参考答案：D
—Simon，I wonder _______. —Last Saturday.
A．when the foreign visitors arrived
B．when did the foreign visitors arrive
C．when the foreign visitors will arrive
D．when will the foreign visitors arrive
新民主主义革命总路线的核心是
A．反帝反封建
B．无产阶级领导
C．农民同盟军
D．非资本主义前途
