子宫内膜癌的典型症状是（）
A.月经周期缩短
B.继发性痛经，进行性加重
C.接触性出血
D.绝经后出血
E.腹胀
参考答案：D
They thought the meeting was ________great importance.
A．in
B．for
C．of
D．/
齐色齐码样的英文是（ ）。
A．EMB SAMPLE
B．WASHED SAMPLE
C．SHIPPING SAMPLE
D．SIZE／COLOR SET SAMPLE
