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【简答题】
本任务采用三面刃铣刀进行阶台的铣削加工,铣刀的直径为100mm,主轴转速n=95r/min,刀具的齿数z=8,铣刀宽度B=10mm,每齿进给量=0.05mm/z。请计算切削速度_______m/min、每分进给量_______mm/min。(计算结果舍去小数直接取整)
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【单选题】Franklin gives brief mention in the Autobiography to the death of:
A.
His son, which happened in 1736
B.
His wife, which happened in 1774
C.
His father, which happened in 1718
D.
His daughter, which happened in 1743
【简答题】Dr. McGoman and Dr.Marzluff claim that the ability to recognize faces gives crows and their relatives ______.
【单选题】What is the advice Dr. Getsy gives those who struggle with insomnia due to the health condition?
A.
Lying in bed as long as possible.
B.
Taking some sleeping pills to relax.
C.
Staying awake as long as they can.
D.
Scheduling when to be away or asleep.
【单选题】Dr. Lee gives Emi some advice. What does she say?
A.
You must see me next week.
B.
You must see me next month.
C.
You need to take it easy for a few days.
【单选题】位于百色市解放街的中国红军第七军军部旧址-( ),是1929年12月邓小平发动和领导百色起义的指挥所在地,是广西保存得最完好、规模最大、富有建筑艺术和建筑特色的古建筑群。
A.
清风楼
B.
粤东会馆
C.
经正书院
【简答题】给定程序中,函数fun的功能是:根据形参i的值返回某个函数的值。当调用正确时,程序输出:x1=5.000000,x2=3.000000,x1*x1+x1*x2=40.000000。请选择在下画线处填入正确的语句,使程序得出正确的结果。#include double f1(double x){ return x*x; }double f2(double x, double y){ ret...
【单选题】位于百色市解放街的中国红军第七军军部旧址( ),是1929年12月邓小平发动和领导百色起义的指挥所在地,是广西保存得最完好、规模最大、富有建筑艺术和建筑特色的古建筑群。
A.
清风楼
B.
粤东会馆
C.
经正书院
D.
大码头
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