热水采暖网路系统安装的合理性，直接关系到热水锅炉运行的安全性。
参考答案：对
Questions 6 to 10 are based on the following news.
A. Insisting that the revelations were unlikely to affect world events. B. Dismissing those diplomatic cables as untrue. C. Purposely making some confidential materials public. D. Effectively containing Iran’s nuclear program.
距骨骨折易引起
A．骨的缺血性坏死B．血管损伤C．神经损伤D．骨的延迟愈合E．骨筋膜室综合征
