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【单选题】
Reality TV is a type of programme.It means that real-life people,not actors,are followed and filmed in a real situation,or game. Reality TV is very popular in the UK.At their best,these programmes give us a good look into the lives of different people in Britain.At their worse,they are a very cheap way to make programmes and sometimes involve people behaving very badly. Here’s a selection of some of the UK’s reality shows. Shattered A group of young people live in a house for a week and must stay awake.Each day there are tests to see how well they can work even though they are totally tired out.They must leave the house if they fall asleep.Viewers( 观众) vote on those who stay in the house and text their comments( 评论 )every day. Come to Dine with Me Each week four people prepare dinner in their homes for the other competitors.Each competitor then gives the cook a grade out of 10 for the food and entertainment( 娱乐) .The winner gets a$1,000 cash prize.Sometimes the food is terrible and the competitors are very rude to each other. World’s Strictest Parents Badly-behaved British teens are sent abroad to live with a super strict family for a week.The teenagers have to follow the rules of their host family and go to the local school.After seven days the teenagers return home and their parents tell us if their behaviour is better.There is often a lot of crying and shouting in this show but it can be pretty funny too. 64 。 Which statement is NOT true about Reality TV?
A.
Real-life people are in it.
B.
We can see a real situation in it.
C.
It usually costs less money to make Reality TV.
D.
Reality TV is not very popular in the UK..
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举一反三
【单选题】记号Ω的定义正确的是()。
A.
O(g(n))={f(n)∣存在正常数c和n 0 使得对所有n≧n 0 有:0≦f(n)≦cg(n)}
B.
O(g(n))={f(n)∣存在正常数c和n 0 使得对所有n≧0有:0≦g(n)≦(n)}
C.
O(g(n))={f(n)∣对于任何正常数c>0,存在正数和n 0 >0使得对所有n≧n 0 有:0≦f(n)
D.
O(g(n))={f(n)∣对于任何正常数c>0,存在正数和n 0 >0使得对所有n≧n 0 有:0≦cg(n)
【单选题】像散使轴外物点的像变成两条( )的线。
A.
分离
B.
相交
C.
平行
D.
对称
【单选题】记号O的定义正确的是()。
A.
O(g(n))={f(n)∣存在正常数c和n 0 使得对所有n≧n 0 有:0≦f(n)≦cg(n)}
B.
O(g(n))={f(n)∣存在正常数c和n 0 使得对所有n≧0有:0≦g(n)≦(n)}
C.
O(g(n))={f(n)∣对于任何正常数c>0,存在正数和n 0 >0使得对所有n≧n 0 有:0≦f(n)
D.
O(g(n))={f(n)∣对于任何正常数c>0,存在正数和n 0 >0使得对所有n≧n 0 有:0≦cg(n)
【简答题】​请阅读下面的程序,在空白处填写正确的代码,该程序的功能是:根据对x的输入,求1到x的累加和。int fun(int n){ int i,c; c=0; for (i=1;i<=n;i++) c=c+i; _______}void main(){ int x; scanf("%d", _______); printf("%d",fun(x));}
【简答题】记号O的定义正确的是( )。 (A)O(g(n)) = { f(n) | 存在正常数 c和n0使得对所有 n n0有:0 f(n) cg(n) } ; (B)O(g(n)) = { f(n) | 存在正常数 c和n0使得对所有 n n0有:0 cg(n) f(n) } ; (C)O(g(n)) = { f(n) | 对于任何正常数 c>0,存在正数和 n0 >0使得对所有 n n0有:0 f(n)...
【单选题】记号Ω的定义正确的是
A.
O(g(n)) = { f(n) | 存在正常数c和n 0 使得对所有n≥n 0 有:0≤ f(n) ≤ cg(n) };
B.
O(g(n)) = { f(n) | 存在正常数c和n 0 使得对所有n≥n 0 有:0≤ cg(n) ≤ f(n) };
C.
(g(n)) = { f(n) | 对于任何正常数c>0,存在正数和n 0 >0使得对所有n≥n 0 有:0 ≤f(n)
D.
(g(n)) = { f(n) | 对于任何正常数c>0,存在正数和n 0 >0使得对所有n≥n 0 有:0 ≤cg(n) < f(n) };
【单选题】记号的定义正确的是()。
A.
O(g(n)) = { f(n) | 存在正常数c和n0使得对所有nn0有:0 f(n)  cg(n) }
B.
O(g(n)) = { f(n) | O(g(n)) = { f(n) | 存在正常数c和n0使得对所有nn0有:0 cg(n)  f(n) }
C.
(g(n)) = { f(n) | 对于任何正常数c>0,存在正数和n0 >0使得对所有nn0有:0 f(n)
D.
(g(n)) = { f(n) | (g(n)) = { f(n) | 对于任何正常数c>0,存在正数和n0 >0使得对所有nn0有:0 cg(n) < f(n) }
【简答题】下面程序根据对x的输入,求1到x的累加和。float fun(int n){ int i; float c; 1 ; for(i=1;i<=n;i++) c+=i; 2 ; }main(){int x;scanf("%d", 3 );printf("%f\n",fun(x));}
【简答题】【程序填空】请阅读下面的程序,在空白处填写正确的代码,该程序的功能是:根据对x的输入,求1到x的累加和。 int fun(int n) { int i,c; c=0; for (i=1;i<=n;i++) c=c+i; _______ } void main() { int x; scanf("%d", _______); printf("%d\n",fun(x)); }
【简答题】请阅读下面的程序,在空白处填写正确的代码,该程序的功能是:根据对x的输入,求1到x的累加和。int fun(int n){ int i,c; c=0; for (i=1;i<=n;i++) c=c+i; _______}void main(){ int x; scanf("%d", _______); printf("%d",fun(x));}
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