某肺心病病人，PaC02：70 mmH9；BE：+10 mEq／L；pH：7.4，酸碱平衡紊乱类型为( )(难)
某肺心病病人，PaC02：70 mmH9；BE：+10 mEq／L；pH：7.4，酸碱平衡紊乱类型为( )(难)
The most serious hypokalemia would occur in which of the following conditions? A: Decrease in potassium intake from 150 to 75 mEq/ day B: Increase in sodium intake from 100 to 200 mEq/ day C: Fourfold increase in aldosterone secretion plus high sodium intake D: Fourfold increase in aldosterone secretion plus low sodium intake
The most serious hypokalemia would occur in which of the following conditions? A: Decrease in potassium intake from 150 to 75 mEq/ day B: Increase in sodium intake from 100 to 200 mEq/ day C: Fourfold increase in aldosterone secretion plus high sodium intake D: Fourfold increase in aldosterone secretion plus low sodium intake
M: Glad to see you, Mrs. White. What can I do for you todayW: Would you please exchange RMB ￥ 1000 for US Dollars for meQ: What is the man’s job（） A: A bank clerk. B: A clerk in a post office. C: A school teacher. D: A shop assistant.
M: Glad to see you, Mrs. White. What can I do for you todayW: Would you please exchange RMB ￥ 1000 for US Dollars for meQ: What is the man’s job（） A: A bank clerk. B: A clerk in a post office. C: A school teacher. D: A shop assistant.
下列关于CEC说法正确是：（） A: 在地质学和土壤学中常用阳离子交换容量CEC（CationExchangeCapacity）表示岩石、矿物和松散沉积物的吸附量； B: CEC值只代表特定测试条件下（pH=7的醋酸铵溶液+NaCl溶液）岩土的交换能力； C: CEC值还受占据交换格位的离子的性质的影响； D: CEC单位为meq/10g。
下列关于CEC说法正确是：（） A: 在地质学和土壤学中常用阳离子交换容量CEC（CationExchangeCapacity）表示岩石、矿物和松散沉积物的吸附量； B: CEC值只代表特定测试条件下（pH=7的醋酸铵溶液+NaCl溶液）岩土的交换能力； C: CEC值还受占据交换格位的离子的性质的影响； D: CEC单位为meq/10g。