不伴有胆囊肿大的是（）。
A.胆总管结石
B.壶腹癌
C.胰头癌
D.胆囊炎
E.肝门部肿瘤
参考答案：E
——Is she a hard-working student?
——Yes, she is. She studies ______. She is also good at PE. She runs very______.
A．hardly; fastly
B．hard; fast
C．hardly; fast
D．hard; fastly
一个尺寸为81inX83in的货盘可承载的最大重量为多少（设地板承载限制=180lb/ft2，货盘重量=82lb，系留装置=31lb）？（）
A.8403.7lb
B.8321.8lb
C.8290.8lb
