初次发病，轻型溃疡性结肠炎患者，病变范围仅局限于直肠时应用（）
A.阿托品
B.糖皮质激素
C.易蒙停
D.柳氮磺吡啶栓
E.强痛定
参考答案：D
There is ________ information stored in the computer which is likely to break down at any moment.
A． a large number of
B． a great deal of
C． a plenty of
D． a great amounts of
A．mgtgθ
B．mgsinθ
C．μmg
D．μmg
mgtgθ
mgsinθ