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问题 单项选择题

砌墙砖试验方法（GB/T2542-2003）标准中抗折强度试验的材料试验机示值相对误差不大于（）。

A、±1%

B、±0.5%

C、±1.5%

D、±2%

答案

参考答案：A

单项选择题

有关慢性肺心病护理不妥的是（）

A．改善肺泡通气

B．持续低流量吸氧

C．有水肿限制水、盐摄入

D．改善营养状况

E．烦躁不安使用镇静剂
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问答题

Read the statement and the instructions that follow it, and then make any notes that will help you plan your response. Write your response on a separate sheet of paper. If possible, type your essay on a word processor.
People value things more when they have suffered for them.
Discuss the extent to which you agree or disagree with the opinion stated above. Support your views with reasons and/or examples from your own experiences, observations, or reading.
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