A:AB∥CD,AD=BC
B:AB=CD,AD=BC
C:∠A=∠B,∠C=∠D
D:AB=AD,CB=CD
漫画《微信拉票》旨在讽刺( )
(____)(1)A. first B.second C. three
(____)(2)A. classroom B.play C. playground
(____)(3)A. heavy B. high C. school
(____)(4)A. on B.in C. me
(____)(5)A.floor B. push C. swing
钢铁在很弱的酸性或中性条件下发生电化学腐蚀时,正极的反应式为( )
下列不属于社会主义精神文明创建活动的是( )