John was fired by his factory and only t

题型:选择题

问题:

John was fired by his factory and only then ________ how wrong he was to be lazy and careless.[ ]

A. had he realized  

B. he had realized

C. did he realize  

D. he realized

考点:部分倒装
题型:选择题

“起朔漠,并西域,平西夏,灭女真,臣高丽,定南诏,遂下江南,而天下为一,”这一史书记载反映的是下列哪个王朝的兴起? (   )

A.宋

B.元

C.明

D.清

题型:选择题

风湿性心脏病脑栓塞治疗应特别注意()

A.及早用针灸治疗

B.纠正心房纤颤

C.防治心功能不全

D.预防褥疮

E.用血管扩张药

题型:选择题

以下历史人物不属于唐宋八大家的是()。

A.韩愈

B.欧阳修

C.曾巩

D.柳永

题型:选择题

鱼类生理学的任务

题型:选择题

PSS

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