皮皮学，免费搜题
登录
搜题
【单选题】
初次应答时,B细胞活化的第二信号产生主要是A.
BCR识别抗原肽-MHC I类分子复合物
B.
BCR识别抗原肽-MHC II类分子复合物
C.
B细胞上的CD40与活化Th细胞上的CD40L结合
D.
B细胞上的B7与Th细胞上的CD28结合
E.
BCR与抗原结合
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】下面的程序用来将一个十进制转化成八进制数,例如输入一个 25 ,则输出 31 ,请将程序补充完整。 #include main() { int i=0,j=0,a,b[10]={0}; printf("\nPlease input a integer: "); scanf("%d",&a); sub(a,b); for(;i<10;i++) { if( 【 1 】 ) j++;...
【单选题】Don't cross the road if there _____ traffic. [ ]
A.
are a lot of
B.
are many
C.
is much
D.
is much too
【简答题】模特Heights 项目调整的是 方向部位的尺寸,主要是 、 、 、臀围高度( Hip Height )(臀围线至脚跟间距离)等。
【单选题】Go ahead. Read this leaflet. You don't have to watch the road the way you do when you drive the car. CONGRATULATIONS ! By riding public transportation, you are he]ping to solve some of the major pollu...
A.
give information to people who are planning to boy cars
B.
persuade people to use public transportation instead of their own cars
C.
give suggestions to people suffering from pollution-related diseases
D.
discuss the major causes of pollution problems in Boston
【单选题】The teacher told us ______. [ ]
A.
don't play on the road
B.
not be late again
C.
come to school on foot
D.
to cross the road carefully
【单选题】下面的程序用来将一个十进制正整数转化成八进制数,例如输入一个正 整数25,则输出31,应填入划线处的选项是________。 #include void main( ) { int i=0,j=0,a,b[10 ]={0}; printf("Enter an integer:"); scanf("%d",&a); sub(a,b); for(;i<10;i++) {if(________) j...
A.
b[i]==0和c/=8
B.
b[i]==0和c=e/8
C.
b[i]!=0 和c/=8
D.
b[i]!=0和c=e/8
相关题目：
参考解析：
知识点：
题目纠错 0
发布
