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问题 填空题

新的吸收管必须做（）和（）。吸收管在0.2L/min的流量下，要求阻力在（）kPa，吸收效率要求（）。

答案

参考答案：阻力试验；吸收效率试验；6.6±0.66；大于95%

问答题 简答题

教学设计题：

试分析课题中体现的数学思想。
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单项选择题

According to the crowding out effect, which of the following statements is least likely correct The sale of government bonds used to finance excess government spending will:()

A. raise the interest rate.

B. reduce private investment spending.

C. increase the profitability of corporate investment projects.
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