POEMS综合征是指哪几种症状同时发生()
A.多发性神经病变
B.器官肿大
C.内分泌病
D.皮肤改变
E.单株免疫球蛋白血症
参考答案:A, B, C, D, E
When they arrived at the second crossing, they went the wrong ______.
A.direction
B.way
C.route
D.street
铝锭可与()混装
A.生铁
B.锌块
C.煤
D.木材