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问题 单项选择题

外周血涂片观察成熟红细胞形态对下列哪种疾病的诊断没有意义（）

A.遗传性球形红细胞增多症

B.遗传性椭圆红细胞增多症

C.珠蛋白生成障碍性贫血

D.再生障碍性贫血

E.缺铁性贫血

答案

参考答案：D

选择题

下列有关说法正确的是

A．0．1 mol/L NH4C1溶液加蒸馏水稀释，溶液的pH不断减小

B．常温下，pH＝2的CH3COOH溶液与pH＝12的NaOH溶液等体积混合后，溶液的pH<7

C． 水的离子积常数Kw随着温度的升高而增大，说明水的电离是放热反应

D．0．1 mol/L的NaHA溶液，其pH＝4： c(HA-) > c(H+)> c(H2A) > c(A2-)
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填空题


Directions:This section consists of three groups of pairs listed in two columns, A and B. You are to match the one marked 1), 2), 3) ,4) or 5) in Column A with the one marked a, b, c, d or e in Column B. One point is given to each pair you match.
1) ______ the Grammar-Translation Method
2) ______ the Direct Method
3) ______ the Audiolingual Method
4) ______ the Cognitive Approach
5) ______ the Communicative Approach
a) The primary function of language is communication.
b) All languages originated from one language and were ruled by a common grammar.
c) Language is a system of structurally related elements for the expressions of meaning.
d) Every language has its own structures and can not be forced into the constraining pattern of Latin grammar.
e) A native speaker has in his brain a set of grammar rules which he can use to make sentences with.
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