颈动脉三角常见病变（）
A.血管性病变
B.神经源性肿瘤
C.颈动脉体瘤
D.肿大淋巴结
E.以上都是
参考答案：A, B, C, D, E
A lot of trees _______ in our new school last year. [ ]
A. are planted
B. were planted
C. will plant
D. have planted
( )指明了应借应贷的会计科目和金额，是登记账簿的直接依据。
A．原始凭证
B．记账凭证
C．一次凭证
D．累计凭证
