听神经鞘瘤出现的主要症状是（）
A.听力减退，耳鸣和出现前庭神经损害
B.失明、半盲
C.恶心、呕吐
D.头晕、头痛
E.高颅压
参考答案：A
原发性肝癌肝区疼痛的特点是（）
A.间歇性隐痛
B.持续性胀痛
C.阵发性绞痛
D.刀割样疼痛
E.烧灼样疼痛
—I can't decide__________.
—You mean the purple sweater or the blue one?[ ]
A. how to go there
B. who to go with
C. where to visit
D. which to choose
