【简答题】编写程序,获得用户输入的数值M和N,求M和N的最大公约数。提示代码如下。def (a,b): if a > b: a,b = b,a r = 1 while r != 0: r=a%b a = b b = r return am = eval(input(""))n = eval(input(""))print(_____________)
【多选题】迷迭香酸具有抗氧化、延缓衰老、减肥降脂等功效,它的结构简式为: ,以邻苯二酚为原料合成迷迭香酸的路线为: 下列说法正确的是 ( )
D.
1mol B与足量的NaOH溶液反应,最多可消耗3mol NaOH
【单选题】Within hours after birth,a baby whose mother is diabetic had a rising respiratory rate and labored breathing.The baby became cyanotic and died.Postmortem histological examination revealed collapsed al...
B.
Respiratory distress syndrome
D.
Tracheoesophageal fistula
【简答题】#求最大公约数 def (a,b): if b==0:return a else:return ( ____,____)
【单选题】Within hours after Greenspan's remarks, ______.
A.
the indexes of stocks rose
B.
people lost confidence
C.
the Fed became concerned
D.
the economy slowed down
【简答题】辗转相除法 求两个的最大公约数 (a,b) 算法思路 s1: 将两整数求余 a%b = x s2: 如果x = 0;则b为最大公约数 s3: 如果x != 0,则 a = b;b = x;继续从s1开始执行 流程图 例析 例如,求(319,377) 首先(319,377)与(377,319)的最大公约数相同;即:(319,377) == (377,319) s1: ...
【简答题】迷迭香酸(F)的结构简式为: 它是存在于许多植物中的一种多酚,具有抗氧化、延缓衰老、减肥降脂等功效,以A为原料合成F的路线如下(已知苯环上的羟基很难直接与羧酸发生酯化反应): 根据题意回答下列问题: (1)A的结构简式为 ;反应②的反应类型是 。 (2)反应③的试剂为 。 (3)1molF分别与足量的溴水和NaOH溶液反应,最多可消耗Br 2 mol, NaOH mol。 (4)E在一定条件下发生...
【单选题】Within hours after birth,a baby whose mother is diabetic had a rising respiratory rate and labored breathing.The baby became cyanotic and died.Postmortem histological examination revealed collapsed al...
B.
Respiratory distress syndrome
C.
Tracheoesophageal fistula