A 水平温差不超过2～3℃ B 垂直温差不超过3℃ C 室中央温度与外墙内面温度之差不超过6℃ D 局部采暖的居室内，昼夜温差不超过8℃ E 集中供暖的居室内，昼夜温差不超过2～3℃

A 放射性毒物 B 过氧乙酰基硝酸酯 C 二氧化硫和飘尘 D 光化学烟雾 E 甲基异氰酸甲酯

A 轻离子 B 重离子 C 正离子 D 重离子 E 负氧离子

A 将漂白粉直接倒入井内 B 将漂白粉调成糊状，倒人井内 C 用热水将漂白粉调成糊状，倒入井内 D 将漂白粉用冷水调成糊状，再加少量水，混匀，静止，将上清液倒入井内 E 将漂白粉用热水调成糊状，再加少量热水，混匀，静止，将上清液倒入井内

A KHbO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695635_0.gif">/HHbO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695635_0_1.gif"> B NaHCO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695635_0_2.gif">/H<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695635_0_3.gif">CO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695635_0_4.gif"> C Na<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695635_0_5.gif">HPO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695635_0_6.gif">/NaH<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695635_0_7.gif">PO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695635_0_8.gif"> D KHb/HHb E KHCO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695635_0_9.gif">/H<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695635_0_10.gif">CO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695635_0_11.gif">

A O<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695636_0.gif"> B CO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695636_0_1.gif"> C H<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695636_0_2.gif"> D N<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695636_0_3.gif"> E NaHCO<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695636_0_4.gif">

A 蛋白质结合钙 B 有机钙 C 碳酸钙 D 羟磷灰石 E 磷酸钙盐

A 还原反应、结合反应 B 羧化反应 C 结合反应 D 氧化反应、还原反应、水解反应 E 水解反应

A 窦房结节律性兴奋延迟发放 B 窦房结节律性兴奋少发放一次 C 窦房结节律性兴奋传出速度减慢 D 期前收缩的有效不应期延长 E 窦房结的一次兴奋落在期前收缩的有效不应期中

A 包括黏膜下神经丛和肌间神经丛 B 含有无数的神经元和神经纤维 C 外来神经通常不与内在神经元发生突触联系 D 肠道内在神经系统可完成局部反射 E 是一个完整的相对独立的系统