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搜题
【单选题】
引起肾素分泌的最主要因素是A.
肾小球滤过K + 的减少
B.
肾循环血量减少，动脉压降低
C.
肾循环血量增加，动脉压增高
D.
肾小球滤过葡萄糖增多
E.
肾小球滤过蛋白质增多
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举一反三
【单选题】d=5. 03894 and |d| is the decimal expression for d rounded to the nearest thousandth. Column A Column B The number of decimal places where d and |d| differ 4
A.
if the quantity in Column A is greater
B.
if the quantity in Column B is greater
C.
if the two quantity are equal
D.
if the relationship cannot be determined from the information given
【单选题】Which of the following is correct for the circuit shown in Figure 4?
A.
Decimal 10 is being written into memory location 211.
B.
The number 5 is being written to the memory at address location 203.
C.
The chip has not been enabled, since the EN terminal is 0; therefore, nothing will be written to the chip and the output is tri-stated.
D.
The read/write line is LOW; therefore decimal 5 is being stored at memory location 211.
【单选题】代数式exSin(300)2x/(x+y)lnx对应的VB表达式是().
A.
Exp(x)*Sin(30)*2*x/(x+y)*ln(x)
B.
E^X*Sin(30*3.14/180)*2*x/x+y*log(x)
C.
Exp(X)*Sin(30*3.14/180)*2*x/(x+y)*log(x)
D.
Exp(X)*Sin(30*3.14/180)*2*x/(x+y)*ln(x)
【简答题】若消费者张某的收入为270元,他在商品X和Y的无差异曲线上的斜率为dY/dX=-20/Y的点上实现均衡。已知商品X和商品Y的价格分别为PX=2,PY=5,那么此时张某将消费X和Y各多少?
【简答题】若消费者张某的收入为270元，他在商品X和Y的无差异曲线上的斜率为 dY/dX=-20/Y的点上实现均衡。已知商品X和商品Y的价格分别为P X =2，P Y =5，那么此时张某将消费X和Y各多少?
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