伤寒的病变特征是（）
A.全身淋巴结肿大
B.全身单核巨噬细胞系统细胞增生
C.肠道溃疡形成
D.肝、脾肿大
E.外周血白细胞减少
参考答案：B
— Isn’t it hard to drive downtown to work?
—Yeah, that’s why I ______ to work by train.
A．have gone
B．have been going
C．was going
D．will have gone
促进前臂旋前旋后的作业训练是()
A．写大字
B．翻扑克牌
C．和面
D．刨木
E．缝纫
