约有10-30%原发性肝癌患者可出现低血糖症,原因是:()
A.并发糖尿病
B.进食过少
C.肝脏合成糖元障碍
D.癌细胞异位分泌胰岛素或胰岛素样物质
E.以上均不是
参考答案:D
下面四幅图中,甲地在乙地东北,丙地在丁地东南的是
—Whose shirt is this?
—It ___ be Li Lei's. It is too big for him. [ ]
A. could
B. must
C. can't
D. might