If I had one million dollars, I’d donate it to _______ /′medɪkəl/ research.

A．medicine

B．medical

C．magazine

D．metal

子宫内膜不规则脱落功血患者的主要临床表现是

A．月经周期缩短

B．月经期延长

C．经量增多

D．不规则 * * 出血

E．月经稀少