得神

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得神

考点:医疗卫生系统招聘考试中医学专业知识中医学专业知识
题型:名词解释

常温下,向20 mL 0.2 mol/L H2A溶液中滴加0.2 mol/L NaOH溶液。有关微粒的物质的量变化如下图(其中I代表H2A,II代表HA,III代表A2)。根据下图图示判断,下列说法正确的是

A.当V(NaOH)=20mL时,溶液中离子浓度大小关系:c(Na)>c(HAˉ)>c(H)>c(A2)>c(OHˉ)

B.等体积等浓度的NaOH溶液与H2A溶液混合后,其溶液中水的电离程度比纯水的大

C.欲使NaHA溶液呈中性,可以向其中加入酸或碱

D.向NaHA溶液加入水的过程中,pH可能增大也可能减小

题型:名词解释

      Sally's(S) classmates want to have a school trip in China,so Sally makes Liu Hong( L), her friend a telephone call and asks for her advice.

S:Hello,may I speak to Liu Hong?

L:Speaking.

S: We'd like to have a school trip in China in November this year.     1     ?

L: I'd love to.     2     ?

S:I have no idea. What about you?

L:I think Guangzhou is a right place for you. If you want to have a school trip in Guangzhou in November this year,maybe it is hosting the Sixteenth Asian Games. I think you can watch a lot of matches.

S:    3    . You know I'm a basketball fan. By the way , are there any places of interest?

L:    4    ,such as Sun Yat-sen Memorial Hall, Zhenhai rrower and so on. They are famous all over the world.

S : Great !  Does it cost more money?

L:No , it doesn't. The hotels are not expensive but clean and comfortable ; you can't spend too much. I think you can enjoy it a lot.

S : Thank you ! I think we'll meet in Guangzhou.

L:So do I.__________!

S : See you !

题型:名词解释

生产一件A产品消耗原料甲4千克、乙2升,可获得1000元利润,生产一件B产品消耗原料甲3千克、乙5升,可获得1300元利润。现有原料甲40千克、乙38升,通过生产这两种产品,可获得的最大利润为多少元?( )

A.15000

B.14500

C.13500

D.12500

题型:名词解释

食管癌切除术后出现吻合口瘘多在术后( )

A.1~3天
B.4~8天
C.5~10天
D.8~14天
E.10~20天

题型:名词解释

管理绩效因子

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