水果、蔬菜中往往含有一些碱性物质如碳酸钠。当食用这些食物时，碳酸钠进入血液后与血液中的NaHCO3/H2CO3缓冲对发生作用：
因此，通过血液中缓冲物质的作用，使血液中的PH维持在（）（范围内）相对稳定。| Analysts have had their go at humor,
and I have read some of this interpretative literature, but without being
greatly instructed. Humor can be dissected, as a frog can, but the thing dies in
the process and the innards (内在部分) are discouraging to any but the pure
scientific mind. In a newsreel theatre the other day I saw a picture of a man who had developed the soap bubble to a higher point than it had ever before reached. He had become the ace soap bubble blower of America, had perfected the business of blowing bubbles, refined it, doubled it, squared it, and had even worked himself up into a convenient lather. The effect was not pretty. Some of the bubbles were too big to be beautiful, and the blower was always jumping into them or out of them, or playing some sort of unattractive trick with them. It was, if anything, a rather A. it expresses the truth of the sadness of human life with a sparkling surface B. everyone has his happy moments and unhappy moments C. there is an obvious line between laughing and crying D. it is like poetry, very rhythmic [简答题]问题同上
[判断题]新的国家标准中不再将粳稻谷分为早粳稻谷和晚粳稻谷。
[单选题] 政府专职消防员实际居住地、电话和手机号码发生变更的,应自变更之日起3个工作日内报告。( )
A. 5 B. 3 C.7 D. 10 [简答题]《流动资金贷款管理暂行办法》对开展流动资金贷款的贷款人内控机制建设有什么原则性要求？
[判断题] 等额本金还款法是指借款人每月以相等的金额偿还贷款本金，贷款利息随本金逐月递减，还款额逐月递减 。
A.正确 B.错误 [判断题]在动车组高速运行情况下， 电机驱动端温度比非驱动端稍高情况属于正常现象。
A.正确 B.错误 [单项选择]党的十六届三中全会明确提出要树立科学发展观的本质和核心（）。
A. 经济社会的协调发展 B. 坚持以人为本 C. 实现人的全面发展 D. 实现可持续发展 [单选题]接受治疗的Ⅰ型糖尿患者突然出汗心跳加快、焦虑等可是由于
A. 急性胰岛素抵抗 B. 低血糖反应 C. 过敏反应 D. 血压升高 E. 慢性胰岛素抵抗 [单选题]用于扣件式钢管脚手架的扣件，在（ ）扭力矩试压时不出现裂纹。
A.40N•m B.50N•m C.55N•m D.65N•m [多选题]施工单位在进行上下交叉作业时,应采取下列哪些安全措施( )。
A.保持一定的安全间隔距离 B.只对上方作业人员进行交底 C.搭设防护棚 D.戴防尘口罩 E.戴护目镜 [多项选择]焦化生产事故隐患及排查治理项目主要包括：（）。
A. 防爆 B. 泄露 C. 放散 D. 防尘与防毒 [单选题]拆除杆上导线前，应检查（），做好防止倒杆措施，在挖坑前应先绑好拉绳。
A.卡盘 B.拉线 C.埋深 D.杆根 [判断题]操作品体管图示仪时,应特别注意功耗电阻、阶梯选择和峰值范围选择 开关的位置,它们是导致管子损坏的主要原因。( )
A.正确 B.错误 我来回答: 提交
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