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【多选题】
一个好的企业使命应该具备以下几个方面( )。A.
明确企业生存目的
B.
使本企业区别于其他同类企业
C.
针对核心业务
D.
作为评价企业现在和未来活动的框架
E.
清楚明白，易于为整个企业所理解
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【简答题】小红和小丽对问题“若方程组 a 1 x+ b 1 y= c 1 a 2 x+ b 2 y= c 2 的解是 x=3 y=-4 ，求方程组 3 a 1 x+2 b 1 y=5 c 1 3 a 2 x+2 b x y=5 c 2 的解”提出各自的想法．小红说：“这个题目好象条件不够，不能求解”；小丽说：“能不能把第二个方程组的两个方程的两边都除以5，通过整体代换的方法来解决”．参考他们的讨论，你认为这...
【简答题】I have a friend who lives by a three-word philosophy: Seize the moment. Just possibly, she may be the wisest woman on this planet. Too many people put off something that brings them joy just because t...
【单选题】根据下列文章,请回答 16～20 题。 I have a friend who is a team leader of about 25 employees who are primarily women. She' s found a trick that works for her most of the time, but not always. Those staff who appear...
A.
We shall not be moved.
B.
Money means freedom.
C.
Photos taking are pleasant.
D.
There are people who are so careless about dressing.
E.
Action speaks louder than words.
F.
It is our society that must be blamed.
G.
You should wear appropriately where you are.
【单选题】进行英语写作课的时候,教师可以随时把某一范文或是某一学生的作文转播到所有学生的终端,进行讲评,让学生有直观、具体的认识,这中形式能够______。
A.
为教师的演示教学提供新的方式
B.
扩大和紧密英语学习的共同体
C.
促进学生主动构建的英语学习
D.
创设英语学习环境
【简答题】I have a friend who had financial problems and needed my help occasionally. He was in his final year in University while I was in my third year. He needed some money for school fees and other academic...
【单选题】下述程序的输出结果是( )。 #include ＜stdio.h＞ int f(n) int n { if(n==0 | | n==1) return 3 return n-f(n-2) } void main() {printf('/n%d',f(10)) }
A.
3
B.
8
C.
9
D.
10
【简答题】已知等差数列{a n }为递增数列，满足 a 3 2 =5 a 1 +5 a 5 -25 ，在等比数列{b n }中，b 3 =a 2 +2，b 4 =a 3 +5，b 5 =a 4 +13． （Ⅰ）求数列{b n }的通项公式b n ； （Ⅱ）若数列{b n }的前n项和为S n ，求证：数列{ S n + 5 4 }是等比数列．
【简答题】若3,4,a和5,b,13是两组勾股数,则a+b的值是___________.
【单选题】以下程序运行的结果为( ) int &put(int n); int vals[10]; int error=-1; int main() { put(0)=12; put(9)=21; cout=0 && n<=9 ) { return vals[n]; } else { cout< return error; } }
A.
0000
B.
1221
C.
1209
D.
2109
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