富吸收油返塔量偏大汽油干点()。
A.降低
B.升高
C.不变
参考答案:B
类风湿关节炎引起的贫血()
A.不经常发生,但很严重
B.常常需要输血
C.血清铁增加
D.25%为缺铁性,铁剂治疗无效
E.骨髓为再障表现
As the clouds drifted away an even higher peak became ______ to the climbers.
A. obvious B. visible C. present D. apparent