下列化学式书写错误的是( ) A.Na2O B.K2SO4 C.AlO2 D.C

题型:选择题

问题:

下列化学式书写错误的是(  )

A.Na2O

B.K2SO4

C.AlO2

D.Ca(OH)2

考点:化学式的写法和意义
题型:选择题

My cousin Li Ming is a senior three student, who devoted himself to his lessons every day. Last Saturday, as usual, he went to several class. In the evening, he continued to study at home until deeply into the night. He was too sleepy and tired that he couldn’t work effectively. In Sunday morning, he was about to do his lessons while his father came up and advised him to take a break. Soon they came up a good idea. They decided to go cycling in the countryside. Li Ming enjoyed himself competing and chatting with his father and felt relaxing in the open air. On Monday, Li Ming was energetic and active in class. He spent a whole day in the country, and Li Ming said what he had done was worth.

题型:选择题

控制支气管哮喘气道炎症的首选药物是()

A.糖皮质激素

B.乙酰半胱氨酸

C.抗组织胺药物

D.抗胆碱药物

E.β受体激动剂

题型:选择题

世界上最早普及初等义务教育的是哪个国家?()

A.英国

B.法国

C.德国

D.日本

题型:选择题

患者男性,56岁,患稳定性心绞痛,经—个时期的治疗,效果欠佳,拟采用联合用药。

下述组合中,较为合理的是()。

A.硝酸甘油+硝酸异山梨酯

B.硝酸甘油+硝苯地平

C.维拉帕米+普萘洛尔

D.硝酸甘油+美托洛尔

E.维拉帕米+地尔硫

题型:选择题

冷拼盛器的选择应以冷拼的()为准。

A.类型

B.式样

C.色泽

D.形态大小

E.原料种类

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