方程x（x+2）=0的解为______．
∵x（x+2）=0，
∴x1=0，x2=-2，
故答案是x=0或x=-2．
They got ________ to the tiger and examined its wound ________. [ ]
A. close; close
B. close; closely
C. closely; close
D. closely; closely
通常情况下，企业的资本结构由( )构成。
A．债务资本和权益资本
B．权益资本
C．长期债务资本
D．长期债务资本和权益资本
