以下哪项不是进行性翼状胬肉的特点（）
A.胬肉体部肥厚
B.胬肉表面不平
C.胬肉菲薄无血管
D.胬肉上充血明显
E.胬肉头部附近角膜混浊
参考答案：C
——last week’s snow and this week’s rain really do good to the drought-hit areas, which will contribute to the growth of crops.
——Leaders at all levels and farmers ____________________.
A cry for the moon B are off the top of their head
C are over the moon D kill the fatted calf
能与醋酸镁反应呈天蓝色荧光的是( )
A．花色素B．黄酮醇C．异黄酮D．二氢黄酮E．查耳酮
