如图,△ADE∽△ACB,∠AED=∠B,那么下列比例式成立的是( )
He a film last Friday.
下图所示为来自同一人体的4 种细胞,下列叙述正确的是
Tim:Yes,I have an e-friend in the US.His name is David.He is 15 years old.He is a____student.