下列溶液一定呈酸性的是 A.pH=6的溶液 B.含有H­+的溶液 C.遇酚酞显无

题型:选择题

问题:

下列溶液一定呈酸性的是

A.pH=6的溶液

B.含有H­的溶液

C.遇酚酞显无色的溶液

D.c(H)>c(OH)的溶液

考点:燃烧热水的离子积常数水电离的影响因素水的电离平衡
题型:选择题

对有意愿参加小组的学生可以进行个别会谈,了解学生个体的需求和目标,从而进行选择。这个过程被称作()。

A.甄选

B.会谈

C.面试

D.了解需求

题型:选择题

用括号内所给词的适当形式填空(每空一词)。

小题1:I enjoy reading this kind of ______ magazine. (每周)

小题2:It is good for your health to _________ deeply. (呼吸)

小题3:It ______ on the two sides of the river.(位于)

小题4:A large number of new ______ will live in Yangzhou.(移居者)

小题5:The small town is becoming more and more ______ and polluted.(拥挤的)

小题6:His mother has devoted ______ to the teaching of Home Economics.(she)

小题7:The making paper was a Chinese ______. (invent)

小题8:It is well ______ that Yangzhou is one of the most beautiful cities in our country.(know)

小题9:He had been deeply affected by the ______ death of his father. (suddenly)

小题10:There will be ______ no rain tomorrow.(probable)

题型:选择题
算一算。
(1)201×7×2(2)42×3×5
(3)6×114×3(4)5×36×7
题型:选择题

下列指标中的哪项可通过血浆鱼精蛋白副凝(3P)试验进行检测()

A.纤维蛋白单体

B.纤维蛋白降解产物与纤维蛋白单体复合物

C.纤溶酶

D.纤维蛋白原

E.凝血酶原

题型:选择题

各生产环节的邮件交接都要审核交接路单,做到不少单,不缺页,结数准确。

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