患者，男性，56岁。巩膜、皮肤黄染半月余。无腹痛，黄疸无波动。查体：皮肤巩膜黄染，肝肋下触及，右上腹扪及肿大胆囊，无触痛，无发热。

上述检查诊断为梗阻性黄疸，为明确梗阻部位下一步最简易的检查是（）.

A.B超

B.CT

C.MRCP

D.ERCP

E.上消化道造影

小题1:Liu Xiang is a famous r_______ in the world.

小题2:My little brother has a m______ plane, he likes to play with it.

小题3:Kate likes vegetables, and also likes red, she eats three t_______ every day .

小题4:Kate doesn't play basketball. She only w     　 __　them on TV.

小题5:Volleyball is so d      _ ， I can't play it.