A、正确
B、错误
喵查答案：正确
The title with the “√” before it is considered to be the better one. Decide whether the following choice is the correct one. A. An Experimental Observation of a Pair of Spin-Polarized Fermi Arc Surface States on the Surface of the Dirac Semimetal Na3Bi at Its Native Chemical Potential√ B. Observation of Fermi Arc Surface States in a Topological Metal
-
To demonstrate the potential of this new approach, two filler geometrics ___________ (use): sandglass and cheese segment. (在判断该句在摘要的哪部分内容中出现的基础上，填入所给动词的适当形式) -
This paper____________ (investigate) a new strategy for radio resource allocation applying a non-orthogonal multiple access (NOMA) scheme. (在判断该句在摘要的哪部分内容中出现的基础上，填入所给动词的适当形式) -
Both descriptive abstracts and informative abstracts present the information of the original work in an objective and neutral tone. -
A good scientific abstract includes all the key information of the original work.
- 定义如下变量和数组： int k; int a[3][3]={1,2,3,4,5,6,7,8,9}; 则下面语句的输出结果是________。 for(k=0;k<3;k++) printf("%d ",a[k][2-k]);
- 下面程序的运行结果是________int main(){ int a[6],i; for(i=1;i3))%5; printf(“%2d”,a[i]); } return 0;}
- 定义如下的变量和数组int i;int y[2][3]={2,4,6,8,10,12}则下面语句输出结果for(i=0;i<2;i++)printf("%d ",y[1-i][i+1]);
- 以下程序段给数组所有的元素的输入数据，请选择正确的答案#includemain(){float x[5],m=0;while(m<5)scanf(“%.2f”,______);}
- 要求下面的程序运行后，显示如下结果：2 10 4 61 5 2 32 4 7 85 1 3 2则程序中的划线处应填入________.#include void main( ){ int a[4][4]={ ________ }; int i,j; for(i=0;i<4;i++) {for(j=0;j<4;j++) printf("%4d",a[i][j]); printf("\n"); }
- 执行下面的程序段后,变量a中的值为int a=3, s[5]={1};s[0]=a; a=s[2]*10;
- 执行下面的程序段后,变量a中的值为int a=3, s[5]={1,2};s[0]=a; a=s[2]*10;
- 下列程序执行后的输出结果是int a[3][3]={1,2,3,4,5,6,7,8,9};printf(“%d \n”,a[1][2]);