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【单选题】
向量组A: ,则向量组A的一个最大无关组为( )A.
B.
、
C.
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举一反三
【单选题】I didn’t go to the park yesterday because my mother asked me _______ my sister at home.
A.
to look at
B.
looking after
C.
to take care of
D.
to look for
【简答题】阅读以下程序,若输入 80 ,写出程序运行结果_____________________。 #include #include void main () { int x; scanf("%d",&x); if (x>=60) printf("pass\n"); else printf("fail\n"); system("pause"); }
【单选题】--What did your sister say to you last night? ---She asked me _____ my father her secret. [ ]
A.
to tell not
B.
not to tell
C.
don't tell
D.
not tell
【单选题】My sister asked me to go there by train, because the train ticket is ______ the plane ticket. [ ]
A.
as cheap three times as
B.
as three times cheap as
C.
three times cheaper than
D.
cheaper three times than
【简答题】完形填空。 When I was three years old just before my sister was born, my mom asked me what we should name the new baby. I said, 'Let's call 1 Gravy (肉汁)!' You know, we pour gravy over meat and it tastes go...
【简答题】完形填空。 When I was three years old just before my sister was born, my mom asked me what we should name the new baby. I said, 'Let's call 1 Gravy!' Having a sister 2 my life. When my sister and I played ...
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