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【单选题】
下列有障碍性贫血发病机制的检查结果，错误的是（）A.
CD25 + T细胞增高
B.
血清TNF水平增高
C.
CD4 + T细胞增高
D.
CD8 + T细胞增高
E.
血清IL-2水平增高
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【简答题】阐述这条查询语句的含义是什么? select cust_name, cust_contact from customers where cust_id in ( select cust_id from orders where order_num in (select order_num from orderitems where prod_id = 'TNT2'))
【简答题】补全语句 Select vend_id,count(*) as num_prods from products group by ________; Select vend_id,count(*) from products where prod_price>=10 group by vend_id ________ count(*)>2;
【简答题】编一个程序,输入一个3X3的实数矩阵,求两个对角线元素中各自的最大值。
【简答题】A cover letter, also known as a ____________letter, is a document which provides additional information aboutthe applicant’s skills and experience.
【简答题】PE is produced by ______ polymerization, which is also known as polymerization.
【单选题】编一个程序,输入一个3×3的实数矩阵,求两条对角线元素中各自的最大值。
A.
#include void main() { int s[3][3],max1,max2,x; int i,j; for(i=0;i<3;i++) for(j=0;j<3;j++) { scanf("%d",&x); s[i][j]=x; } max1=s[0][0]; for(i=1;i<3;i++) if(max1 max2=s[0][2]; if(max2 if(max2 printf("max1=%d\n",max1); printf("max2=%d\n",max2); }}
B.
B
C.
C
D.
D
【简答题】PC is produced by ______ polymerization, which is also known as polymerization.
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