如图,在△ABC中,AB=4,AC=3,DE∥BC交AB于点D,交AC于点E,若AD=3,则AE的长为( )
A:43
B:34
C:94
D:49
已知函数g(x)=(a+1)x﹣2+1(a>0)的图象恒过定点A,且点A又在函数f(x)=log3(x+a)的图象上.则实数a=____.
⑴Are these your shoes? ____ A. It's a T-shirt.
⑵What are these ? ____ B. They are keys.
⑶What is this? ____ C. Yes, they are.
⑷Is this your blue shirt? ____ D. It's Jenny's.
⑸Whose sweater is this?____ E. No, it's not.
下列句子中加下划线字的读音只有一处是错误的,把它选出来( )。