Long ago, a little baby _____________ born. [ ]
A. were
B. was
C. is
答案:B
轻度有机磷中毒的临床表现是()
A.呼气有大蒜样臭味
B.出汗、无力
C.瞳孔缩小
D.肌纤维颤动
E.呼吸肌麻痹
“农为天下之本,而工贾皆其末也。”与雍正这一观点不一致的是 [ ]
A.人生有三宝,丑妻薄地破棉袄
B.千生意,万买卖,不如翻地块
C.工、商皆民生之本
D.上农除末,黔首是富