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问题 单项选择题

缺铁性贫血患者出现非血液系统症状的原因是（）

A.影响肌红蛋白的合成

B.含铁酶活性降低，细胞功能紊乱

C.影响线粒体的能量代谢

D.影响DNA的合成

E.甲状腺素合成降低

答案

参考答案：B

单项选择题

编译型程序设计语言若规定程序中的变量必须先定义（或声明）再引用，那么违反此规定的程序在（）时报错。

A．编辑

B．编译

C．链接

D．运行
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问答题

We had guests last night who have not stayed in a B&B hotel ago. They did not want breakfast because that they were going out early in the morning. They came back lately and had some tea. I came into the living room and saw one of them just go through the kitchen door but turn on the light. He was looking for a glass the cupboard. He had no ideas that the kitchen was not for guests. I just smiled to me and thought, "What can I do We are guests after all. \

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