【简答题】根据句意,用所给单词的适当形式填空。 1. Diving is as (erous) as skiing 2. Today is the (bad) day in my life. 3. I have a friend (name) Max. 4. I never feel (bore) when he is with me. 5. He is _______(fat) of the th...
【单选题】物块重 W ,一力 F 作用在摩擦角之外,如图所示。已知力 F 作用线与铅垂线夹角θ=30度 ,摩擦角φm=20度 ,且W=F ,则 ___ 。
【简答题】根据对话内容选项恰当的句子,有两项为多余的。 A. What time is it B. What day is it today C. What's the date today D. What can we do now E. Do you have a sharpener F. Let's go to the supermarket G. Let's to and see A: Excuse...
【简答题】蛋白聚糖多聚体由蛋白聚糖单体借____________和__________聚合而成。
【简答题】保持扭矩不变,长度不变,圆轴的直径减小一倍,则最大切应力 τ max 是原来的( ) 倍,单位长度扭转角 是原来的( ) 倍。(请用数字回答,若有小数保留小数点后一位。)
【简答题】Dear mother, Today is Sunday. I ____ go to school. I stay ____ home. I'm writing to you now. Every day, I go to school ____ seven thirty in the morning. We have four lessons in the morning. We read an...
【简答题】以下程序输入100后的执行结果是_____。 int n; scanf("%o",&n); printf("n=%d\n",n);
【简答题】执行如下代码,则程序运行后的显示结果是什么? year=eval(input("输入年份:"))#也可以用int( )函数 if(year%4==0 and year%100 !=0)or(year%400==0): print("闰年") else: print("非闰年")
【简答题】以下程序运行时输入:100 20 300,执行后的输出结果是 。#include using namespace std;void main(){int c,s;float p,w,d,f;cin>>p>>w>>s; // 运行时输入p、w、s的值if(s>3000) //根据s的值确定c的值c=12;elsec=s/250;switch(c) //根据...
【单选题】物块重 W ,一力 F 作用在摩擦角之外,如图所示。已知力 F 作用线与铅垂线夹角 ,摩擦角 ,且 ,则 ___ 。