患门静脉高压症时患者可有：()
A．门静脉扩张
B．在门静脉与体循环中有侧支循环吻合
C．脾肿大
D．腹水
E．以上各项均是
参考答案：E
School kids take part in parades on campus on Halloween, __________ in colorful costumes, after which there is a small party inside the classroom.
A．dressing
B．dressed
C．being dressed
D．dress
制定工艺规程可以保证零件达到规定的加工要求，（同时减少工时消耗）。
