There _____ many people in the park last Sunday.[ ]
A. had
B. was
C. were
D. are
答案:C
对精神疾病诊断最有意义的症状是
A.失眠
B.情感不稳
C.幻听
D.意志活动减弱
E.钟情妄想
与藜芦相反的药物是
A.人参
B.苦参
C.玄参
D.沙参
E.丹参