镁测定的临床常用方法是（） A.火焰光度法 B.原子吸收分光光度

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问题单项选择题

镁测定的临床常用方法是（）

A.火焰光度法

B.原子吸收分光光度法

C.甲基麝香草酚蓝比色法

D.达旦黄比色法

E.EDTA络合滴定法

答案

参考答案：C

解析：此法是国家卫计委临床检验中心推荐的常规方法。

填空题

在-1，1，0，-2，-1.5一个有理数中，最小的是______．

阅读理解

阅读理解。根据短文内容，判断句子正 (T)误(F)。

Tom often plays ball games in the school playground. He likes playing basketball and football. Sometimes he

goes to parties, too.

Today is Sunday. The students from Tom's class are having a birthday party for Helen. There are many

boys and girls in Building E. They are singing and dancing. They are having a wonderful time.

Their teacher often says, "My students study at school almost every day. But at weekends, they play with

their friends."

( ) 1. Tom often plays football at school.

( ) 2. He often goes to the park.

( ) 3. Tom's class are having a birthday party for Tom on Saturday.

( ) 4. They are having a wonderful time at Helen's birthday party.

( ) 5. Their teacher knows them well.