抑郁发作的临床特征有()
A.情绪低落,自我感觉差
B.思维迟缓,反应迟钝
C.生活疏懒,不修边幅
D.木僵
E.意志活动减退
参考答案:A, B, C, D, E
You must keep your eyes _______ while the eraser is passing. [ ]
A. close
B. closed
C. closing
D. to close
3岁小儿,腕部骨化中心的数目(个)约为()
A.2
B.3
C.4
D.5
E.6