早教吧作业答案频道 -->英语-->
TheInternet,aswellasnewspapersandmagazines,amoreandmoreimportantpartinourdailylife.[]A.haveplayedB.areplayingC.isplayingD.hasbeenplayed
题目详情
| The Internet,as well as newspapers and magazines,________a more and more important part in our daily life. |
| [ ] |
| A.have played B.are playing C.is playing D.has been played |
▼优质解答
答案和解析
| C |
看了 TheInternet,as...的网友还看了以下:
设f(x)=(x-a)^n*g(x),g(x)在x=a临域内有(n-1)阶连续的到函数,证明:f( 2020-04-27 …
(2013•眉山二模)如图所示,f(x)是定义在区间[-c,c](c>0)上的奇函数,令g(x)= 2020-06-09 …
如图所示,f(x)是定义在区间[-c,c](c>0)上的奇函数,令g(x)=af(x)+b,并有关 2020-06-09 …
单射和满射合成后是恒等映射的有哪些,哪个选项正确设N={0,1,2,…},f:N→N,g:N→N, 2020-06-12 …
谁帮我做下下面的关于时间复杂度的习题?f(n)=100n^3+n^2+1000,g(n)=25n^ 2020-06-12 …
已知f(n)=-n,φ(n)=,g(n)=n-,n∈N+,则[]A.f(n)<g(n)<φ(n)B 2020-07-13 …
若d是使a^d≡1(modm)成立的最小正整数,而且存在整数n使a^n≡1(modm),证明d整除 2020-07-20 …
已知f(x),g(x)都是定义在R上的函数,g(x)≠0,f(x)g′(x)>f′(x)g(x), 2020-08-02 …
设数列{an}满足a(n+1)=2an+n^2-4n+1.(1)若a1=3,求证:存在f(n)=an 2020-11-19 …
C语言作业急急急11-2输入2个正整数a和n,求a+aa+aaa+aa…a(n个a)之和。要求定义并 2020-12-31 …