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【单选题】
MHC-II类分子的配体是A.
CD2
B.
CD3
C.
CD4
D.
CD8
E.
CD10
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参考解析：
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举一反三
【单选题】Not until she came back ______ she was
A.
that I knew
B.
I knew
C.
did I know
D.
I have known
【单选题】She gazed at the carpet for some time. She it.
A.
watched
B.
stared at
C.
glanced at
D.
had a glimpse of
【单选题】She gazed at the immense expanse of the sea.
A.
extension
B.
very large area
C.
big gap
【单选题】若下列程序执行后t的值为4,则执行时输入a、b的值的范围是( ) #include int main() { int a,b,s=1,t=1; scanf("%d,%d",&a,&b); if (a>0) s+=1; if (a>b) t+=s; else if (a==b) t=5; else t=2*s; printf("s=%d,t=%d",s,t); return 0; }
【简答题】She gazed at ___________ (她水中的倒影).
【单选题】She gazed at the _________ infant and smiled.
A.
concise
B.
newborn
C.
handsome
D.
stylish
【单选题】It was not until she came to see us ____ her mother was ill in bed.
A.
when we knew
B.
that did we knew
C.
that we knew
D.
that did we know
【单选题】Not until she came back ______ she was OK.
A.
that I knew
B.
I knew
C.
did I know
D.
I have known
相关题目：
【单选题】若下列程序执行后t的值为4,则执行时输入a、b的值的范围是( ) #include int main() { int a,b,s=1,t=1; scanf("%d,%d",&a,&b); if (a>0) s+=1; if (a>b) t+=s; else if (a==b) t=5; else t=2*s; printf("s=%d,t=%d",s,t); return 0; }