A:平等权
B:自卫权
C:独立权
D:管辖权
若(x﹣1)2=2,则代数式2x2﹣4x+5的值为( )
观察身边的物理现象,下列估测最接近实际的是( )
(____)1.A.pen B. pencil C. to
(____)2.A. run B. in C. walk
(____)3.A.ruler B. crayon C. flower
(____)4.A.easy B. this C. that
(____)5.A.here B. there C. book