瘢痕性幽门梗阻因呕吐频繁常造成水、电解质紊乱及下列哪种变化()

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问题单项选择题

A．低氯、低钾性代谢性碱中毒

B．低氯、高钾性呼吸性碱中毒

C．高氯、低钾性代谢性酸中毒

D．低氯、高钾性代谢性酸中毒

E．低氯、高钾性呼吸性酸中毒

答案

参考答案：A

句型转换

把下列句子改为含有定语从句的主从复合句。

1. I know the boy. He can speak English well.

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2. The season is summer. It comes after spring.

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3. The building is my uncle's house. Its wall is white.

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4. Will you please lend me the very book? You bought a book last Sunday.

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5. The student is our monitor. Our headmaster praised him at the school meeting.

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判断题

在无色透明釉或乳白釉料中引入适量颜料即为色料。