问题
单项选择题 A1/A2型题
全血葡萄糖浓度比血浆或血清葡萄糖低约 （）
A.1%～3%
B.5%～8%
C.12%～15%
D.18%～21%
E.25%～28%
答案
参考答案：C
解析：血糖测定一般可测血浆、血清或全血葡萄糖，由于葡萄糖溶于自由水，而红细胞中所含的自由水较少，所以全血葡萄糖浓度比血浆或血清低12%～15%。因此本题最佳选项是C。
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全血葡萄糖浓度比血浆或血清葡萄糖低约 （）
A.1%～3%
B.5%～8%
C.12%～15%
D.18%～21%
E.25%～28%
参考答案：C
解析：血糖测定一般可测血浆、血清或全血葡萄糖，由于葡萄糖溶于自由水，而红细胞中所含的自由水较少，所以全血葡萄糖浓度比血浆或血清低12%～15%。因此本题最佳选项是C。
| 阅读理解。 | ||||||||||||||||||
| This is my family. My grandpa's name is Harry Brown. My grandma's name is Jean Brown. My father's name is Jeff Brown. My mother's name is Helen Brown. Jeff and Helen are my parents. I have a sister. Her name is Kate Brown. My name is Tom Brown. I'm ten. My sister is eight. | ||||||||||||||||||
(1)阅读下列短文,将人名及其身份填在图画的相应方框内
1. How old is Tom Brown? _______________________. 2. Is that girl (E) his sister? _______________________. 3. Is Helen Brown his grandmother? _______________________. 4. What's his grandmother's name? _______________________. 5. Is Jeff Brown his brother? ________________________. |