直肠息肉病是 （）
A.呕血，便血
B.呕吐大量鲜血
C.柏油样便
D.便血
E.腹穿不凝血
参考答案：D
语句Form2.Show 0表示 (11) ；语句Form3.Show 1表示 (12) ；
They raised a lot of money and ________ a school for the children in the mountain area.
A．took up
B．built up
C．made up
D．set up
