蓝氏贾第鞭毛寄生于人体
A．十二指肠
B．胆囊
C．盲肠
D．十二指肠和胆囊
E．盲肠和胆囊
参考答案：D
by a greater demand of vegetables, farmers have built more green houses. [ ]
A. Driven
B. Being driven
C. To drive
D. Having driven
依据《安全生产违法行为行政处罚办法》的规定，到期不缴纳罚款的，每日按罚款数额的（）加以罚款。
A．5%
B．3%
C．2%
D．1%
